The biggest upset among the top players came in the WTA 1000 quarterfinals in Beijing. Karolina Muchova, No. 7 in the WTA singles rankings, lost to Nikola Bartunkova 3-6 0-6. At the other end of the day, Carlos Alcaraz, the No. 3 player in the ATP rankings, won the ATP 500 final in Tokyo against Jiri Lehecka 7-6 6-4.
The second final featuring a player from the men's top 10 was held at the ATP 500 in Beijing. Alex de Minaur, No. 10 in the ATP rankings, lost to Novak Djokovic, with the match score 6-7 1-0.
In women's singles at the WTA 1000 in Beijing, Mirra Andreeva, the No. 4 player in the WTA rankings, reached the semifinals. She defeated Ekaterina Alexandrova 7-6(4) 7-6(3) in the quarterfinals, with both sets going to a tiebreak. Elina Svitolina, No. 6 in the rankings, reached the quarterfinals: she comfortably beat Ann Li 6-2 6-3 in the round of 16.
Two pairs from the WTA top 10 in Beijing reached the semifinals. Gabriela Dabrowski and Luisa Stefani, No. 4 and No. 3 in the WTA doubles rankings, defeated Sara Errani and Jasmine Paolini 7-5 7-6(6). Elise Mertens and Diana Shnaider, No. 8 in the doubles rankings, conceded just three games to Ellen Perez and Demi Schuurs: 6-2 6-1.
The top players in the girls' junior rankings competed at ITF events on the senior circuit, with some playing two matches. No. 2 Jana Kovackova lost to Ane Mintegi Del Olmo 5-7 6-4 1-6 in the round of 16 in singles in Burgas (W50). She played two doubles matches with Alena Kovackova and reached the semifinals. First, they routed Andreya and Denislava Glushkova 6-0 6-0, then beat Julia Safina Popa and Diana-Ioana Simionescu 7-5 6-3 in the quarterfinals. No. 5 Janae Preston recorded two wins by the same score, 6-3 6-2, in Las Vegas (W35): against Ana Grubor in the round of 32 and Hannah Chang in the round of 16. No. 9 Polina Sklyar reached the singles quarterfinals in Monastir (W35), beating Milla Sequeira 6-1 6-2 and Valentina Losciale 7-5 7-5. In doubles with Anna Kmiecik, she first beat Emna Garbi and Hanin Rebai 6-0 6-0, but lost 2-6 3-6 to Katarina Kuzmova and Zuzanna Pawlikowska in the quarterfinals. No. 10 Mariella Thamm reached the quarterfinals in Villeneuve-d'Ascq (W35), fighting back against Clara Vlasselaer after losing the first set: 6-7(6) 6-1 6-3. No. 8 Anastasija Cvetkovic lost to Alisa Oktyabreva 3-6 2-6 in the round of 32 in Heraklion (W50).
In the boys' competition, Ziga Sesko, No. 8 in the junior rankings, reached the quarterfinals of the ITF M15 tournament in Pontevedra, beating Daniel Verbeek 6-2 6-4. No. 9 Dimitar Kisimov played two matches at the ITF M25 in Santa Margherita di Pula. He beat Jayden Price 6-3 6-0 in the round of 32, but lost to Gabriele Crivellaro 0-6 2-6 in the round of 16. Match results are from api.tennis.