 | |  |  | | Brisbane International Kasatkina vs Potapova | 04 Jan 26 |
 | |  |  | | China Open Kasatkina vs Kartal | 27 Sep 25 |
 | |  |  | | Korea Open Kasatkina vs Siniakova | 18 Sep 25 |
 | |  |  | | US Open Kasatkina vs Osaka | 30 Aug 25 |
 | |  |  | | US Open Kasatkina vs Rakhimova | 28 Aug 25 |
 | |  |  | | US Open Kasatkina vs Ruse | 25 Aug 25 |
 | |  |  | | Canadian Open Kasatkina vs Kostyuk | 31 Jul 25 |
 | |  |  | | Canadian Open Kasatkina vs Blinkova | 29 Jul 25 |
 | |  |  | | Wimbledon Kasatkina vs Badosa | 05 Jul 24 |
 | |  |  | | Rothesay International Kasatkina vs Fernandez | 29 Jun 24 |
 | |  |  | | Rothesay International Paolini vs Kasatkina | 28 Jun 24 |
 | |  |  | | Rothesay International Kasatkina vs Raducanu | 27 Jun 24 |
 | |  |  | | Charleston Open Kasatkina vs Collins | 07 Apr 24 |
 | |  |  | | Abu Dhabi WTA Womens Tennis Open Rybakina vs Kasatkina | 11 Feb 24 |
 | |  |  | | Adelaide International Ostapenko vs Kasatkina | 13 Jan 24 |
 | |  |  | | Adelaide International Kasatkina vs Liu | 09 Jan 24 |
 | |  |  | | Brisbane International Kasatkina vs Kostyuk | 03 Jan 24 |
 | |  |  | | Adelaide International 2 Kasatkina vs Bencic | 14 Jan 23 |
 | |  |  | | Adelaide International 2 Kasatkina vs Badosa | 13 Jan 23 |
 | |  |  | | Adelaide International 2 Kasatkina vs Kvitova | 12 Jan 23 |
 | |  |  | | Adelaide International 2 Kasatkina vs Krejcikova | 11 Jan 23 |
 | |  |  | | Adelaide International 1 Kasatkina vs Noskova | 02 Jan 23 |
 | |  |  | | French Open Kasatkina vs Sramkova | 24 May 22 |
| | | | | |
Daria Sergeyevna Kasatkina (Russian: Дарья Сергеевна Касаткина; born 7 May 1997) is a Russian professional tennis player. She made her top 10 debut in the Women's Tennis Association (WTA) rankings towards the end of the 2018 season. She has won two WTA titles in singles as well as one in doubles.
Born to athletic parents who were nationally ranked in athletics and ice hockey, Kasatkina began playing tennis at age six at the insistence of her older brother. She excelled as a junior, winning the European 16s championship and one junior Grand Slam singles title at the 2014 French Open. Kasatkina quickly ascended up the professional rankings, reaching No. 32 in the world while still 18 years old and winning her first WTA title as a teenager at the Charleston Open. She rose to prominence in 2018 by finishing runner-up to fellow up-and-coming player Naomi Osaka at the Premier Mandatory Indian Wells Open in a match regarded as representing a new wave of women's tennis. Kasatkina also won the biggest title of her career at the Kremlin Cup at home in Russia towards the end of the season.

Trophies 
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