. >>> today francis tiafoe will take the court in prime time against carlos alcaraz in the first grandm semifinal for both men. tiafoe is the first american man to make it this far at the u.s. open since 2006. he eliminated 22-time grand slam champion rafael nadal in four sets in the round of 15 before defeating number nine seed andre rublev in straight sets. joining us now mike lupica and nbc sports correspondent and analyst for nbc's tennis coverage mary carillo. good morning to you both. mary, you profiled francis tiafoe five years ago, he was only 19 years old. boy were you on to something. here's a bit of that report. >> he may be america's next great tennis hope. >> look at that. >> 19-year-old francis tiafoe who in the past year has grown from a little known kid into one of the fastest rising stars in the men's game. >> oh, brilliant. >> you were this american teenager who already feels like you can live on the same court with anybody, with federer, with nadal, with murray. >> i believe that. i mean, i wake up every day, and you know, put my shoes on socks on just like i do, you

>> reporter: it was a stunning upset, one that francis tiafoe needed time to process. >> i'm beyond happyve it. >> reporter: rafael nadal couldn't overcome tiafoe's precision and speed, honed on the same maryland tennis courts where his father worked. the immigrant from sierra leone sleeping on a cot so he could care for the grounds and support his family. in 2014, as a teenager, tiafoe told cbs' james brown he practiced there up to 12 hours a day. >> we were on the courts a lot. we were sweeping the courts and then i would go to bed probably like midnight and wake up and play again. >> reporter: his dream then to win the u.s. open. now he is just three matches away. nba star lebron james tweeting "congrats, young king. keep going." high praise for the youngest male american to make it this far in the u.s. open since 2006. nancy chen, cbs news, new york. >> that's the overnight news for this wednesday. for some of you, the news continues. for over, check back later for "cbs mornings." follow us online any time at cbsnews.com. reporting here from the nation's capital, i'm norah o'donnell.

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. ♪ >>> finally tonight, francis tiafoe, slamming into the semis of the u.s.re in 16 years. why his name is permanently linked with the legendary ar tour ash. winning today in arthur ashe stadium. the first black american male to reach that milestone since ashe did it 15 years ago. the 24-year-old son of immigrants from sierra leone makes his first-ever grand slam semifinal appearance friday nightress his big win coming two days after he upset 22-time grand slam champion rafael nadal. >> man, this is wild, this is crazy. >> tiafoe is being talked about as the future of american men's tennis. and that future's looking bright. that's "nightline." you can watch all our full episodes on hulu. we'll see you right back here same time tomorrow. thanks for staying up with us. good night, america. check out this time space wormhole i creat how's it work? let me see your togo, and i'll show you.

. >>> francis tiafoe is the first american male tennis player to advance in the semifinals since 2006 ninth seeded andre lubev by serving an ace on match point. tiafoe will play the semifinal match tomorrow. he'll take on 19-year-old carlos alcatraz who won his quarterfinals match this morning after a five set five-hour duel with his opponent. >>> football fans, get ready. we are just hours away from the start of the 2020 nfl season. tonight's season kickoff features a match-up between two of the best teams in the league. last year's super bowl winners, the los angeles rams, are hosting the buffalo bills. both teams have super bowl aspirations. the game kicks off at 8:20 eastern tonight. >>> and there's new technology looking to reduce the high risk of cancer in firefighters. so-called forever chemicals in fire-fighting foam is a possible contributor to those high rates. mark strassmann has the story. [ sirens ] >> reporter: for america's firefighters, the irony is jarring. chemical foam they've sprayed on fires for decades to protect us was a hidden threat to them. >> i looked at him

for all the latest on the us open tennis, including men�*s second seed rafael nadal against francis tiafoe story is still going to be dominated by a large area of low pressure sitting out to the southwest. spiralling around that low in an anticlockwise direction, there�*s a rash of shower bands that are going to continue to drift their way steadily north and east. one to clear away on tuesday across scotland before another starts to push in from the southwest. some of these showers could be heavy and thundery. not everywhere will see the showers. perhaps sheltered parts of eastern england once again largely dry and still relatively warm — 24 celsius the high. we�*ll see further showers, some of them heavy and thundery, moving their way northwards overnight. some clear skies behind, a touch of mist and fog forming, a relatively mild start to our wednesday morning. and then on wednesday, once again, it�*s going to be a case of sunny spells and scattered showers, some of them heavy and possibly thundery, with hopefully a brief drier, brighter slot towards the end of the working week. welcome

open carlos alcaraz and francis tiafoe made their semi final debuts in a raucous match that had spectatorsr feet. he will face casper ruud in the final. he would have been the first american man to reach the u.s. open final in 16 years. he was already the first black american men to reach the semi finals since 1972. in the women's final a tunisian player has a shot at her first grand slam title against top ranked because we attack -- iga swiatek. the historic unforgiving heat gripping the west and singer santigold on her career and issues that inspire her. ♪ >> this is pbs news weekend from w pta studios in washington weeknights on pbs. geoff: home prices have risen astronomically. nearly 20% higher year, making homeownership unaffordable for millions of americans. rents are spiking too. the biggest culprit is a historic housing shortage, strong demand and low supplied mean higher prices, and experts a it is unlikely prices nationwide will drop in any significant way anytime soon. this week i spoke with the secretary of the u.s. department of housing and urban development marcia fudge abou

they're in doubles action against jack sock and francis tiafoe in the laver cup. was sampras and agassi, and in my time. nobody would do that again. now three guys with more than 20 grand slam. who knows? you know? and the winner of saturday night's big fight in manchester might feature in a future world heavyweight bout. that's what could be on the line for britain'sjoejoyce and former championjoseph parker of new zealand. former world champion ricky hatton thinks it could go the distance. i see it, joe parker, because of the speed he has got. he is very fast of feed for a heavyweight. good boxing, good movement. isee feed for a heavyweight. good boxing, good movement. i see him thinking a lot of the early rounds, but as the rounds to buy, tick by and joejoyce keeps coming on and coming on and coming on, i think that is wherejoe parker will have to at some point in the fight, go to the trenches, digging in and show bit of fight. he keeps coming, joe, he is a handful. updates on the football on the bbc sport website, but that is all the sport for now. thank you. e

francis tiafoe losing to five sets to carlos alcaraz in five sets.n the packed crowd. the american was looking to become the first american in a grand slam finals since andy roddick in 2009. after the match he praised his opponent but said this really hurts and he'll be back to win the whole thing one day. >>> much more coverage from the united kingdom ahead as king charles iii takes his new duties as the head of the commonwealth. . ask your doctor or pharmacist about whooping couough vaccinatn because it's not just for kids.s. moving forward with node- positive breast cancer is overwhelming. but i never just found my way; i made it. and did all i could to prevent recurrence. verzenio reduces the risk of recurrence of hr-positive, her2-negative, node-positive, early breast cancer with a high chance of returning,... as determined by your doctor when added to hormone therapy. hormone therapy works outside the cell... ...while verzenio works inside to help stop the growth of cancer cells. diarrhea is common, may be severe, or cause dehydration or infect

i mean, the story, a personal story, francis tiafoe is just astonishing.came from, because it's just amazing. >> so, his parents came from sierra leone. and his dad worked on construction of a junior tennis facility right near here in college park, maryland. and after they built it, he was made the custodian for the facility. and they gave him a room in the building where he and his 2 sons would sleep every night. and when the suns, of course, is frances. their mom was working overnight as a nurse. this is the american dream. it is an incredible story. so, this little boy is hanging out at a tennis center all day. and is learning the sport. and falls in love with it. see serena williams. sees someone who has the same skin color as he has can actually be a champion, and is inspired. and then moves on and starts to obviously be a great player. and he areas, 24, finally coming into his own. a big match tomorrow. but he truly, if anything can top the williams sisters, nothing can. nothing can top serena. but if anything can be close, obj awful moving on. becau

second seeded francis tiafoe of the u. s had other ideas.pectacular point there in the near court. he covers a lot of ground. now it's tiafoe in the new york court, with both players exhibiting a little touch at the net. oh wins the game to go up for three. now the crowd starting to sense the upset in the far court at match point. when the doll hits into the net, it's over. tiafoe wins in four sets the first time in 22 years that the top two seeds out for the quarter finals of that matches. nice one. yes it was. a lot of people are shocked about talking about serena last week, but it still goes on. and now the opposites are big win for francis. all right, joe. for francis. all right, joe. thanks. everyone leonard, i've been working on an opening joke for our lecture at berkeley. oh, i like to laugh. but say it anyway. okay, um... what do you say to a graduate of the uc berkeley physics department? i'll have fries with that. (chuckles) because his education hasn't prepared him for a career in the sciences. are you all set for your trip? yeah,

alcarez will meet francis tiafoe tomorrow in the first grand slam semifinal for both players.e u.s. open semis since 2006. following up his victory over 22-time grand slam champ rafael nadal with a straight set win over number 9 seed, rublev yesterday. >>> meanwhile, there will not be an american women hoisting the trophy at arthur ashe stadium on saturday. jessica pegula falling in straight sets yesterday against a to have hp ranked swiatek, who advances to face sablenka in the semifinals. some incredible tennis, joe. >> incredible tennis. what a great open this is turning out to be. willie, just because we are required by law to do it, you know, if anybody is in new york, we have to talk about the american league east. specifically, talk about the new york yankees. god bless the twins. if you are a yankees fan, god bless the twins. they collapsed, new york beat them. mets swept a double-header yesterday. a good day for the big apple. >> yeah, the mets needed that one. swept a couple blowout wins over the prates in pittsburgh. as i said yesterday, our beloved, beloved minneso

alcarez and american francis tee off of this is match point for alcarez in the fourth tiafo little dropa forces a fifth set. oh, he was pumped. the crowd was going crazy. but in the fifth alcaraz finally takes control just look at the lob here. i mean this is perfection. alcaraz wins in five sets six three in the fifth. he'll face norwegian casper rude in the final on sunday. and finally congratulations to warriors star draymond green back home in east lansing, michigan one of nine inducted into the michigan state hall of fame green helped the spartans to the ncaa title game 2009. of course, he's gone on to win four nba championships and two olympic gold medals. that's a wrap on morning sports. have a great weekend everybody. i'm larry beale. thanks, larry. all right, if you are over this heat relief is coming meteorologist. francisco is tracking the forecast for us. good morning francis morning, stephanie morning, everyone. you might have noticed it felt a little bit cooler starting yesterday evening, and now we have more cloud cover and even cooler weather on the way. here's a look al

francis teofo taking on andre rublev a trip to the semifinals on the line tiafo can serve 135 miles anfrustrated dropping two sets in tie breakers rublev with a serve here tiafo. hammers, the backhand winter the leaping smash is friends and family. loving it match point for tiafo his 18th ace of the match straight said victory 7 6 7 6 6 for the young man from maryland becomes the first black american man to reach the us open semifinals since arthur ashe in 1972. they do play on arthur ashe court. so a lot of symbolism and meaning there and this young man is electrifying he is so much fun to watch. he is funny. he's powerful fast. he's unbelievable intense. thanks, larry. i all right tonight at 8 pm. it's back to back episodes back to back to back episodes of abbott elementary. can you count that then? it's press your luck at 10 followed by abc 7 news at 11:00. remember abc 7 news is streaming 24/7 get the abc 7 bay area app and join us whenever you want wherever you are. that is it for this edition of abc 7 news. thank you for joining us. i'm amidates and i'm dan ashley for sandy patel

tiafoe's journey, parents immigranted from sierra leon. they grew up sleeping on the floor on the tennis club where dad worked making $21,000 a year. so francisw just three wins away from winning his first major after beating arguably the greatest player of all time. here he is after the win. >> i felt like the world stopped. i couldn't hear anything for a minute. i was like oh my god. even shaking his hand i don't know what i said to him. i was just like, it was just such a blur. i was already tearing so i could barely see him and my team. everyone is up and it was just -- it was just wild. like my heart is going a thousand miles an hour, i was so excited. let me sit down. but, yeah, it was -- i never felt something like that in my life obviously. >> keep smiling. he said he was losing it in the locker room when he saw lebron james tweet congrats young king you earned it. up next is andrey rublev, that's tomorrow. >>> and jessica pegula all business. on to the quarter finals for the third time this year. the daughter of buffalo bill's owners tim and terry pegula. now faces world number one, iga swiantek, the first ever poland players to go t