Welcome to live coverage of the evening standard of the 2019 ATP finals.
Roger Federer stunned Novak Okokovic to reach the semifinals and end Serbia's bid to end the year as world number one, leaving Rafael Nadal free at the top of the rankings.
The Spaniard faces Stefanos Tzipipas in today's first singles match, following a pair of matches featuring Robert Farach and Juan Sebastian Cabal against Kevin Kravic and Andreas Moss.
In tonight's session, Danil Medvedev plays Alexander Zverev after Jean-ienulien Roger and Horia Tekau against Pierre-Hughes Herbert and Nicholas Mahout.
We bring you live coverage of today's action, plus scores and schedule for the rest of the tournament
2019-11-15T13: 57: 58.703Z
Nadal vs. Cicipas: Head to Head
The Spaniard enters the tournament with an impressive record against the 21-year-old, leading him 4-1.
But Ficipas settled in London very quickly and he is the only player to be undefeated, as well as the fact that he has not dropped a set yet.
Nadal usually finishes the job in his last group matches, winning five of his seven games so far in the ATP final. But he has not qualified for the 2015 semifinals and this time is out of his hands.
Ficipas will feel confident about winning after shocking Nadal at the Masters in Madrid earlier this year. But Nadal triumphs at the final Masters meeting in Rome, promising to be an intriguing battle no matter what happens.
2019-11-15T13: 48: 55.976Z
Semifinal: Who can qualify?
Today he is on the line for Rafael Nadal, but not in his hands.
He should beat Stefanos Tsipipas and hope that Danil Medvedev solidifies him by later defeating Alexander Zverev.
For Zverev, it is a much simpler task: he defeats Medvedev and he is through, no matter what Nadal does.
Ficipas has already qualified and will finish at the top of the group unless Nadal and Medvedev win today.
GAME, IS, SET, NEXT
2019-11-15T13: 35: 55.000Z
Couples | The result
C.Ц. Kabbalah / R. Farah (Kohl) 7-6, 6-2 K. Krawietz / A. Mies (GER)
The Colombian pair are second in the group as they stand, but face a nervous wait at the Herbert / Mahout match against Royer / Tekau.
If the French couple wins in two sets, Kabal and Farah will pass. If it's three, they're out.
2019-11-14T23: 00: 46.000Z
Friday is the turn of the game
The game starts at 12 noon
Cab. Kabbalah / R. Farah (Kohl) v. Kravitz / A. Miss (GER)
Not before 2pm
R. Nadal (ECJ) v. Ficipas (GRE)
NB 5.45 pm
4.3. Royer (NED) / J. Tekau (ROM) vs. PC. Herbert / N. Mahout (FRA)
NB 8 o'clock
D. Medvedev (RUS) v. Zverev (GER)
2019-11-14T22: 49: 16.330Z
Much praise from Federer for okokovic, but you also have the feeling that losing in the Wimbledon final hurt more than he allows.
He said he knew the world's number one rider was competing in the competition and hinted that he would burn it a little. Of course, Federer is a man built on respect and honored the Serb for a "great" season after he won two Grand Slams.
2019-11-14T22: 34: 26.026Z
Federer responding to the Wimbledon defeat
"From my point of view, I didn't know I hadn't beaten him in a couple of years, but I actually discovered that he was the first to have knee surgery. I don't know if it's good or not!
"I felt like I had my chance. I knew that from the first round against Themes, it was never easy to win here. I was happy with the level I could play today, but I didn't feel like I had to get rid of the 'spirit'. "I moved very quickly. I played very well this season and it showed today."
2019-11-14T22: 32: 26.006Z
On his plan
"There's a lot going on in a match like this. I've talked to the team before and about the opportunities that could happen. When you go out you don't know if it will work, but from the start I had a good rhythm outside the base and the service.
"It was dangerous to think he would not play well. I knew the start was not crucial, but it was important, it had a great drop in service and was able to maintain the pressure. He played incredibly aggressively in the first set.
"It was one of those nights where I was clear in the game and great at the end."
2019-11-14T22: 21: 34.000Z
Some statistics that could go under the radar after Federer's victory …
++ This is the first time in five years that Federer has beaten Djokovic in the 2015 ATP final.
++ The Swiss has now won 59 games in the tournament – 20 more than the next highest, Ivan Landl.
++ Nadal is guaranteed a fifth-place finish in the No. 1 final, linking up with Federer, Okokovic and Jimmy Connors.
2019-11-14T21: 48: 08.000Z
Okokovic sheds light on his condition
"Hopefully there is nothing I can really do to play Madrid. You know, the pain was pretty sharp. But I could play the rest of the game, so if I had something really serious, I think I wouldn't be able to hold the racket. "So I did it probably a tricky, quick move. It wasn't any form of question later."
2019-11-14T21: 45: 28.013C
Continuing from defeat
I've lost so many matches in my life, I know how to move on. I've played Roger 50 times, Rafa 50 times. Any loss is painful, but when you play the biggest rivals, it adds a little taste. We are professionals and have been playing this sport for many years and I can look for another opportunity.
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Schedule and results
Friday, November 15
12 o'clock: Robert Farah and Juan Sebastian Cabal vs. Kevin Kravicec and Andreas Miss
2 am: Rafael Nadal v. Stefanos Tzipipas
18:00: Jeananne-ienulien Royer and Horace Tekau v. Pierre-Hughes Herbert and Nicholas Mahout
08:00: Danil Medvedev v. Alexander Zverev
Thursday, November 14th
12 o'clock: L. Cub (POL) / M. Melo (BRA) 6-7, 6-4, 10-7 R. Ram (USA) / J. Salisbury (GBR)
2 am: D. Tim (AUT) 6-7, 3-6 B. Beretini (ETA)
6o'clock: R. Classen (RSA) 6-7, 4-6 M. Venus (NZL) v. I. Dodig (DRC) / J. Polasek (SVC)
08:00: N. okokovic (SRB) 4-6, 3-6 R. Federer (SVI)
Wednesday, November 13
12 o'clock: Ј Kabbalah and R Farah (Kohl) 2-6, 7-5, 8-10 Ј Royer (Ned) and N. Thekau (Roma)
2 am: R Nadal (Sp) 5-7, 6-3, 7-6 D Medvedev (Russia)
18:00: K Krawietz & A Mies (Гер) 5-7, 6-7 P. Herbert and N. Mahout (Fra)
08:00: S Ficipas (Gre) 6-3, 6-2 Zverev (Ger)
Tuesday, November 12
Result: R Ram (US) and Salisbury (MK) 3-6, 6-3, 10-6 I Dodig (Cro) and Z Polasek (Slo)
Result: R. Federer (Sui) 7-6 (5), 6-3 M Beretini (It)
Result: L Cub (Paul) and M Melo (bra) 3-6, 4-6 R Klassen (SA) & M Venus (NZ)
Result: N. okokovic (Serb) 6-7 (5) 6-3 7-6 (5) D Time (Auto)
Monday, November 11th
Result: K. Kravitz (GER) / A. Miss (GER) 7-6, 4-6, 10-6 * Ј. Royer (NED) / J. Tekau (RO) * last set of tiebreak
Result: D. Medvedev (RUS) 6-7, 4-6 S. Ficipas (GRE)
Result: Ј Kabal (Kohl) / R. Farah (Kohl) 3-6, 5-7 P. Herbert (FRA) / N. Mahout (FRA)
Result: R. Nadal (ECJ) 2-6, 4-6 A. Zverev (GER)
Result: R. Ram (USA) / J. Salisbury (GBR) 3-6, 4-6 R. Classen (RSA) / M. Venus (NZL)
Result: N. okokovic (SRB) 6-2, 6-1 B. Beretini (ETA)
Result: L. Cub (POL) / M. Melo (BRA) 4-6, 6-4, 10-5 * I. Dodig (DRC) / J. Polasek (SVC)  * last set of tiebreak
Result: R. Federer (Sui) 5-7, 5-7 D. Tim (AUT)