Marta Kostyuk - WTA #26 (2026-01-05)
| wtatennis.com | WTA | Country |  Ukraine |
| Wikipedia | Eng / Fr | Birth | 2002-06-28 - age 23 |
| Career best ranking | Never ranked | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (out.) | 23 | 15 | 60.53% |
| Grass | 0 | 3 | 0.00% |
| Clay | 6 | 3 | 66.67% |
| TOTAL | 29 | 21 | 58.00% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-01-18 | GS |  WTA Australian Open | Hard (out.) | 64e | #26 |  #56 Elsa Jacquemot | ||
| 2 | 2026-01-05 | 500 | Brisbane International WTA | Hard (out.) | F | #26 |  #1 Aryna Sabalenka | 6/4 6/3 | |
| 3 | 2026-01-05 | 500 | Brisbane International WTA | Hard (out.) | DF | #26 |  #6 Jessica Pegula | 6/0 6/3 | |
| 4 | 2026-01-05 | 500 | Brisbane International WTA | Hard (out.) | QF | #26 |  #5 Mirra Andreeva | 7/6(7) 6/3 | |
| 5 | 2026-01-05 | 500 | Brisbane International WTA | Hard (out.) | 8e | #26 | #4 Amanda Anisimova | 6/4 6/3 | |
| 6 | 2026-01-05 | 500 | Brisbane International WTA | Hard (out.) | 16e | #26 |  #63 Yulia Putintseva | 6/7(5) 6/1 6/0 | |
| 7 | 2025-10-06 | 1000 |  Wuhan Open | Hard (out.) | 32e | #27 |  #14 Karolina Muchova | 2/6 6/2 6/4 | |
| 8 | 2025-09-22 | 1000 | China Open WTA | Hard (out.) | 8e | #27 | #4 Jessica Pegula | 6/3 6/7(4) 6/1 | |
| 9 | 2025-09-22 | 1000 | China Open WTA | Hard (out.) | 16e | #27 | #125 Aliaksandra Sasnovich | 6/4 6/2 | |
| 10 | 2025-09-22 | 1000 | China Open WTA | Hard (out.) | 32e | #27 |  #123 Ella Seidel | 6/1 6/1 | |
| 11 | 2025-08-25 | GS | WTA US Open | Hard (out.) | 8e | #27 | #14 Karolina Muchova | 6/3 6/7(0) 6/3 | |
| 12 | 2025-08-25 | GS | WTA US Open | Hard (out.) | 16e | #27 | #110 Diane Parry | 3/6 6/4 6/2 | |
| 13 | 2025-08-25 | GS | WTA US Open | Hard (out.) | 32e | #27 |  #75 Zeynep Sonmez | 7/5 6/7(5) 6/3 | |
| 14 | 2025-08-25 | GS | WTA US Open | Hard (out.) | 64e | #27 |  #41 Katie Boulter | 6/4 6/4 | |
| 15 | 2025-08-07 | 1000 | Cincinnati Masters WTA | Hard (out.) | 16e | #27 |  #3 Iga Swiatek | w/o | |
| 16 | 2025-08-07 | 1000 | Cincinnati Masters WTA | Hard (out.) | 32e | #27 | #37 Tatjana Maria | 6/0 6/1 | |
| 17 | 2025-07-27 | 1000 |  Rogers Cup WTA | Hard (out.) | QF | #27 | #12 Elena Rybakina | 6/1 2/1 ret. | |
| 18 | 2025-07-27 | 1000 | Rogers Cup WTA | Hard (out.) | 8e | #27 | #31 Mccartney Kessler | 5/7 6/3 6/3 | |
| 19 | 2025-07-27 | 1000 | Rogers Cup WTA | Hard (out.) | 16e | #27 | #18 Daria Kasatkina | 3/6 6/3 7/6(4) | |
| 20 | 2025-07-27 | 1000 | Rogers Cup WTA | Hard (out.) | 32e | #27 | #65 Marketa Vondrousova | 2/6 6/3 6/2 | |
| 21 | 2025-07-21 | 500 | Washington Open WTA | Hard (out.) | 16e | #26 | #37 Emma Raducanu | 7/6(4) 6/4 | |
| 22 | 2025-06-30 | GS | Wimbledon WTA | Grass | 64e | #26 | #175 Veronika Erjavec | 3/6 6/3 6/4 | |
| 23 | 2025-06-23 | 500 | Bad Homburg WTA | Grass | 16e | #26 | #10 Emma Navarro | 6/2 7/5 | |
| 24 | 2025-06-16 | 500 | German Open (WTA) | Grass | 16e | #27 | #9 Emma Navarro | 6/2 6/3 | |
| 25 | 2025-05-25 | GS | WTA Roland Garros | Clay | 64e | #27 |  #195 Sara Bejlek | 6/3 6/1 | |
| 26 | 2025-05-07 | 1000 |  WTA1000 Rome | Clay | 8e | #29 | #1 Aryna Sabalenka | 6/1 7/6(8) | |
| 27 | 2025-05-07 | 1000 | WTA1000 Rome | Clay | 16e | #29 | #26 Leylah Fernandez | 6/4 6/2 | |
| 28 | 2025-05-07 | 1000 | WTA1000 Rome | Clay | 32e | #29 | #12 Daria Kasatkina | 6/4 6/2 | |
| 29 | 2025-05-07 | 1000 | WTA1000 Rome | Clay | 64e | #29 | Philippines #140 Alexandra Eala | 6/0 6/1 | |
| 30 | 2025-04-21 | 1000 |  WTA Mutua Madrid Open | Clay | QF | #29 | #1 Aryna Sabalenka | 7/6(4) 7/6(7) | |
| 31 | 2025-04-21 | 1000 | WTA Mutua Madrid Open | Clay | 8e | #29 |  #38 Anastasia Potapova | 6/3 6/2 | |
| 32 | 2025-04-21 | 1000 | WTA Mutua Madrid Open | Clay | 16e | #29 | #52 Veronika Kudermetova | 6/0 4/6 6/4 | |
| 33 | 2025-04-21 | 1000 | WTA Mutua Madrid Open | Clay | 32e | #29 | #60 Emma Raducanu | 6/4 4/6 6/2 | |
| 34 | 2025-03-18 | 1000 | Miami WTA 1000 | Hard (out.) | 8e | #24 | #4 Jessica Pegula | 6/2 6/3 | |
| 35 | 2025-03-18 | 1000 | Miami WTA 1000 | Hard (out.) | 16e | #24 | #82 Anna Blinkova | 6/2 6/1 | |
| 36 | 2025-03-18 | 1000 | Miami WTA 1000 | Hard (out.) | 32e | #24 | #76 Kimberly Birrell | 7/5 4/6 6/3 | |
| 37 | 2025-03-03 | 1000 | WTA Indian Wells Masters | Hard (out.) | 8e | #21 | #8 Qinwen Zheng | 6/3 6/2 | |
| 38 | 2025-03-03 | 1000 | WTA Indian Wells Masters | Hard (out.) | 16e | #21 | #80 Caroline Dolehide | 6/3 6/3 | |
| 39 | 2025-03-03 | 1000 | WTA Indian Wells Masters | Hard (out.) | 32e | #21 | #103 Robin Montgomery | 6/1 6/3 | |
| 40 | 2025-02-24 | 500 |  Merida Open (WTA) | Hard (out.) | 16e | #21 | #124 Daria Saville | 6/4 7/6(6) | |
| 41 | 2025-02-16 | 1000 |  Dubai WTA | Hard (out.) | 16e | #22 | #74 Sofia Kenin | 5/7 7/6(7) 7/6(5) | |
| 42 | 2025-02-16 | 1000 | Dubai WTA | Hard (out.) | 32e | #22 | #53 Katerina Siniakova | 6/3 6/4 | |
| 43 | 2025-02-09 | 1000 |  Doha WTA | Hard (out.) | QF | #22 | #40 Amanda Anisimova | 4/6 7/5 6/4 | |
| 44 | 2025-02-09 | 1000 | Doha WTA | Hard (out.) | 8e | #22 | #37 Magda Linette | 6/4 6/2 | |
| 45 | 2025-02-09 | 1000 | Doha WTA | Hard (out.) | 16e | #22 | #3 Coco Gauff | 6/2 7/5 | |
| 46 | 2025-02-09 | 1000 | Doha WTA | Hard (out.) | 32e | #22 | #94 Zeynep Sonmez | 6/3 6/3 | |
| 47 | 2025-01-12 | GS | WTA Australian Open | Hard (out.) | 16e | #18 | #12 Paula Badosa | 6/4 4/6 6/3 | |
| 48 | 2025-01-12 | GS | WTA Australian Open | Hard (out.) | 32e | #18 | #92 Jule Niemeier | 6/3 6/0 | |
| 49 | 2025-01-12 | GS | WTA Australian Open | Hard (out.) | 64e | #18 |  #143 Nao Hibino | 3/6 6/3 6/1 | |
| 50 | 2025-01-06 | 500 | Adelaide International 1 WTA | Hard (out.) | 16e | #18 | #68 Ashlyn Krueger | 4/6 6/2 6/2 |
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