Sao Paulo 
Caldas da Rainha 
Singapore 
Ljubljana 
Seoul 
Ankara 
Plovdiv 3 
Shanghai 
Davis Сup Group I Tennis. Played Boulter Katie. Season 2026
Country 
United Kingdom. Ranking WTA 62.
United Kingdom. Ranking WTA 62. WTA - US Open | ||||
|---|---|---|---|---|
| 02.09.2026 | Second round | Boulter Katie — Muchova Karolina | 0:2 (1:6, 0:6) |
|
| 31.08.2026 | First round | Young Suh Lee Carol — Boulter Katie | 1:2 (4:6, 6:3, 0:6) |
|
| WTA - Western-Southern Financial Group Women''s Open - | ||||
| 15.08.2026 | Second round | Noskova Linda — Boulter Katie | 2:0 (6:3, 6:3) |
|
| 14.08.2026 | First round | Boulter Katie — Volynets Katie | 2:1 (7:5, 0:6, 6:4) |
|
 WTA - Rogers Cup | ||||
| 03.08.2026 | First round | Boulter Katie — Cross Kayla | 0:2 (6:7, 5:7) |
|
| WTA - Washington | ||||
| 28.07.2026 | First round | Krueger Ashlyn — Boulter Katie | 2:1 (3:6, 6:2, 6:2) |
|
 WTA - Wimbledon | ||||
| 30.06.2026 | First round | Boulter Katie — Grant Tyra Caterina | 0:2 (4:6, 2:6) |
|
| WTA - London | ||||
| 13.06.2026 | Semi-finals | Boulter Katie — Vekic Donna | 0:2 (1:6, 3:6) |
|
| 12.06.2026 | Second round | Cristian Jaqueline — Boulter Katie | 0:2 (1:6, 3:6) |
|
| 12.06.2026 | Quarter-finals | Rybakina Elena — Boulter Katie | 1:2 (5:7, 6:2, 4:6) |
|
| 09.06.2026 | First round | Boulter Katie — Fernandez Leylah Annie | 2:1 (3:6, 7:6, 7:5) |
|
 WTA - French Open | ||||
| 28.05.2026 | Second round | Boulter Katie — Potapova Anastasia | 1:2 (7:5, 4:6, 2:6) |
|
| WTA - Open Gaz de France | ||||
| 13.05.2026 | Second round | Zakharova Anastasia — Boulter Katie | 2:1 (6:3, 3:6, 6:4) |
|
| 12.05.2026 | First round | Birrell Kimberly — Boulter Katie | 0:2 (5:7, 6:7) |
|
 WTA - Campionati Internazionali d'Italia | ||||
| 06.05.2026 | First round | Lys Eva — Boulter Katie | 2:1 (6:4, 3:6, 6:4) |
|
 WTA - Madrid | ||||
| 24.04.2026 | Second round | Pegula Jessica — Boulter Katie | 2:0 (6:4, 6:4) |
|
| 22.04.2026 | First round | Townsend Taylor — Boulter Katie | 0:2 (4:6, 2:6) |
|
| WTA - Rouen | ||||
| 15.04.2026 | Second round | Boulter Katie — Cristian Jaqueline | 2:1 (7:6, 4:6, 6:1) |
|
| 13.04.2026 | First round | Timofeeva Maria — Boulter Katie | 0:2 (2:6, 2:6) |
|
 WTA - Generali Ladies Linz | ||||
| 06.04.2026 | First round | Ruse Elena Gabriela — Boulter Katie | 2:0 (7:6, 7:6) |
|
| WTA - NASDAQ-100 | ||||
| 21.03.2026 | Third round | Muchova Karolina — Boulter Katie | 2:0 (6:3, 7:5) |
|
| 20.03.2026 | Second round | Boulter Katie — Tauson Clara (Retired) | 1:1 (6:7, 6:4, 1:0) |
|
| 17.03.2026 | First round | Boulter Katie — Bouzas Maneiro Jessica | 2:0 (7:6, 6:4) |
|
| WTA - Pacific Life Open | ||||
| 04.03.2026 | Qialification final | Jimenez Kasintseva Victoria — Boulter Katie | 2:1 (2:6, 7:5, 6:2) |
|
| 03.03.2026 | Qualifications - 1st round | Boulter Katie — Tomova Viktoriya | 2:0 (6:4, 6:3) |
|
 WTA - Merida | ||||
| 28.02.2026 | Quarter-finals | Paolini Jasmine — Boulter Katie | 2:1 (0:6, 6:3, 6:3) |
|
| 26.02.2026 | Second round | Boulter Katie — Osorio Serrano Maria Camila (Retired) | 1:0 (6:3) |
|
| 24.02.2026 | First round | Boulter Katie — Haddad Maia Beatriz | 2:0 (6:4, 6:4) |
|
 WTA - Ostrava | ||||
| 07.02.2026 | Final | Boulter Katie — Korpatsch Tamara | 2:1 (5:7, 6:2, 6:1) |
|
| 06.02.2026 | Semi-finals | Volynets Katie — Boulter Katie | 0:2 (1:6, 3:6) |
|
| 05.02.2026 | Quarter-finals | Fruhvirtova Linda — Boulter Katie | 0:2 (3:6, 2:6) |
|
| 04.02.2026 | Second round | Boulter Katie — Golubic Viktorija | 2:0 (6:2, 6:2) |
|
| 03.02.2026 | First round | Havlickova Lucie — Boulter Katie | 1:2 (4:6, 6:3, 1:6) |
|
 WTA - Australian Open | ||||
| 20.01.2026 | First round | Boulter Katie — Bencic Belinda | 0:2 (0:6, 5:7) |
|
 WTA - ASB Classic | ||||
| 08.01.2026 | Second round | Svitolina Elina — Boulter Katie | 2:0 (7:5, 6:4) |
|
| 06.01.2026 | First round | Boulter Katie — Starodubtseva Yuliia | 2:0 (6:3, 6:3) |
|