| WTA Pechino | 10/03 04:30 | 25 | [1] Aryna Sabalenka v Katie Boulter [56] | 7-5,7-6 | |
| WTA Pechino | 10/01 10:35 | 24 | [69] Magdalena Frech v Katie Boulter [54] | 4-6,6-3,2-6 | |
| WTA Pechino | 09/30 03:00 | 19 | [54] Katie Boulter v Kamilla Rakhimova [77] | 6-1,6-1 | |
| WTA Pechino | 09/29 03:00 | 14 | [54] Katie Boulter v Zhuoxuan Bai [123] | 6-2,6-2 | |
| WTA Ningbo | 09/25 07:00 | 25 | [22] Vera Zvonareva v Katie Boulter [54] | 6-4,4-6,7-6 | |
| US Open femminili | 09/02 23:15 | 25 | [61] Katie Boulter v Peyton Stearns [59] | 4-6,3-6 | |
| US Open femminili | 08/31 15:00 | 24 | [114] Yafan Wang v Katie Boulter [61] | 7-5,1-6,4-6 | |
| US Open femminili | 08/29 15:00 | 23 | [61] Katie Boulter v Diane Parry [88] | 6-4,6-0 | |
| WTA Cincinnati | 08/12 19:15 | 14 | [72] Katie Boulter v Camila Osorio [67] | Retired | |
| WTA Montreal | 08/09 15:00 | 25 | [72] Katie Boulter v Coco Gauff [7] | 2-6,2-6 | |
| WTA Montreal | 08/08 01:15 | 24 | [72] Katie Boulter v Rebecca Marino [103] | 6-3,6-1 | |
| WTA Montreal | 08/06 19:00 | 19 | [76] Katie Boulter v Marina B Ribera [140] | 6-2,6-2 | |
| WTA Montreal | 08/05 19:55 | 14 | [76] Katie Boulter v Miriam Bulgaru [222] | 6-3,6-3 | |
| WTA Washington | 07/30 16:35 | 19 | [86] Leylah Fernandez v Katie Boulter [74] | 6-4,6-1 | |
| WTA Washington | 07/29 15:30 | 14 | [120] Elizabeth Mandlik v Katie Boulter [74] | 5-7,3-6 | |
| Wimbledon Femminile | 07/08 19:55 | 25 | [89] Katie Boulter v Elena Rybakina [3] | 1-6,1-6 | |
| Wimbledon Femminile | 07/06 13:55 | 24 | [99] Viktoriya Tomova v Katie Boulter [89] | 0-6,6-3,3-6 | |
| Wimbledon Femminile | 07/05 15:05 | 23 | [89] Katie Boulter v Daria Saville [231] | 7-6,6-2 | |
| WTA Eastbourne | 06/27 11:50 | 25 | [30] Petra Martic v Katie Boulter [88] | 6-4,7-5 | |
| WTA Eastbourne | 06/27 10:00 | 25 | Barbora Krejcikova v Katie Boulter | Cancelled | |
| WTA Birmingham | 06/20 14:30 | 25 | [77] Katie Boulter v Lin Zhu [39] | 5-7,5-7 | |
| WTA Nottingham | 06/18 12:10 | 29 | [131] Jodie Anna Burrage v Katie Boulter [126] | 3-6,3-6 | |
| WTA Nottingham | 06/17 10:00 | 28 | [195] Heather Watson v Katie Boulter [126] | 4-6,5-7 | |
| WTA Nottingham | 06/16 12:40 | 27 | [143] Harriet Dart v Katie Boulter [126] | 3-6,5-7 | |
| WTA Nottingham | 06/15 10:30 | 26 | [126] Katie Boulter v Daria Snigur [157] | 7-5,6-3 | |
| WTA Nottingham | 06/13 13:05 | 25 | [420] Emily Appleton v Katie Boulter [126] | 1-6,3-6 | |
| ITF W100 Surbiton | 06/10 11:15 | 28 | [140] Yanina Wickmayer v Katie Boulter [125] | 6-3,6-2 | |
| ITF W100 Surbiton | 06/09 12:20 | 27 | [125] Katie Boulter v Viktorija Golubic [126] | 7-5,6-2 | |
| ITF W100 Surbiton | 06/08 09:00 | 26 | [125] Katie Boulter v Sonay Kartal [277] | 3-6,6-3,6-4 | |
| ITF W100 Surbiton | 06/06 12:20 | 25 | [125] Katie Boulter v Olivia Gadecki [155] | 6-2,6-1 |
Wikipedia - Katie Boulter
Katie Boulter (Leicester, 1º agosto 1996) è una tennista britannica.