| ITF Women Southsea | 06/29 10:00 | 29 | [144] Katie Boulter v Kirsten Flipkens [51] | 4-6,7-5,3-6 | |
| ITF Women Southsea | 06/28 11:25 | 28 | [75] Jennifer Brady v Katie Boulter [144] | 3-6,3-6 | |
| ITF Women Southsea | 06/27 13:30 | 27 | [91] Anna Karolina Schmiedlova v Katie Boulter [144] | 2-6,0-6 | |
| ITF Women Southsea | 06/26 16:35 | 26 | [144] Katie Boulter v Ekaterina Alexandrova [104] | 6-4,6-2 | |
| WTA - Birmingham | 06/18 14:40 | 25 | [139] Katie Boulter v Naomi Osaka [18] | 1-6,2-6 | |
| WTA - Nottingham | 06/15 11:40 | 27 | [17] Ashleigh Barty v Katie Boulter [156] | 6-0,6-2 | |
| WTA - Nottingham | 06/14 12:00 | 26 | [156] Katie Boulter v Samantha Stosur [103] | 7-6,6-1 | |
| WTA - Nottingham | 06/12 16:15 | 25 | [98] Yanina Wickmayer v Katie Boulter [156] | 4-6,4-6 | |
| ITF Women Surbiton | 06/08 11:00 | 27 | [163] Katie Boulter v Priscilla Hon [183] | 6-4,2-6,3-6 | |
| ITF Women Surbiton | 06/07 16:25 | 26 | [109] Jana Fett v Katie Boulter [163] | 5-7,4-6 | |
| ITF Women Surbiton | 06/05 12:00 | 25 | [163] Katie Boulter v Asia Muhammad [242] | 6-7,7-6,6-3 | |
| French Open Women Qual | 05/23 08:00 | 44 | [113] Mariana Duque Marino v Katie Boulter [166] | 7-6,7-5 | |
| ITF Women Kurume | 05/16 01:00 | 25 | [152] Katie Boulter v Tammi Patterson [342] | Retired | |
| ITF Women Fukuoka | 05/13 01:00 | 29 | [176] Katie Boulter v Ksenia Lykina [304] | 5-7,6-4,6-2 | |
| ITF Women Fukuoka | 05/12 04:20 | 28 | [176] Katie Boulter v Momoko Kobori [325] | 6-1,6-4 | |
| ITF Women Fukuoka | 05/11 01:00 | 27 | [127] Naomi Broady v Katie Boulter [176] | 4-6,6-3,2-6 | |
| ITF Women Fukuoka | 05/10 01:00 | 26 | [350] Tammi Patterson v Katie Boulter [176] | 3-6,1-6 | |
| ITF Women Fukuoka | 05/08 05:15 | 25 | [258] Yuki Naito v Katie Boulter [176] | 6-4,4-6,4-6 | |
| ITF Women Gifu | 05/02 01:00 | 25 | [215] Harriet Dart v Katie Boulter [174] | 6-2,7-5 | |
| ITF Women Obidos Qual | 04/23 11:35 | 29 | Urszula Radwanska v Katie Boulter | 6-4,3-6,3-6 | |
| ITF Women Obidos | 04/22 16:00 | - | Urszula Radwanska v Katie Boulter | 6-4,3-6,3-5 | |
| ITF Women Obidos | 04/21 16:00 | 28 | [262] Giulia G-Monticone v Katie Boulter [196] | 5-7,4-6 | |
| ITF Women Obidos | 04/20 09:30 | 27 | [374] Pemra Ozgen v Katie Boulter [196] | 6-4,2-6,0-6 | |
| ITF Women Obidos | 04/19 11:20 | 26 | Eva Guerrero Alvarez v Katie Boulter | 6-7,3-6 | |
| ITF Women Obidos | 04/18 10:15 | 25 | [366] Miriam Kolodziejova v Katie Boulter [196] | 3-6,0-6 | |
| ITF Women Obidos | 04/13 14:00 | 27 | Anastasia Kulikova v Katie Boulter | 6-2,5-7,7-6 | |
| ITF Women Obidos | 04/12 14:30 | 26 | [409] Yvonne Cavalle-Reimers v Katie Boulter [194] | 4-6,3-6 | |
| ITF Women Obidos | 04/11 14:55 | 25 | Pei-Chi Lee v Katie Boulter | 6-3,3-6,3-6 | |
| WTA - Miami | 03/21 18:30 | 23 | [208] Katie Boulter v Su-Wei Hsieh [61] | 4-6,5-7 | |
| WTA Miami Qual | 03/20 19:50 | 45 | [208] Katie Boulter v Carol Zhao [139] | 3-6,7-6,6-2 |
Wikipedia - Katie Boulter
Katie Boulter (født 1. august 1996 i Leicester, Storbritannien) er en professionel kvindelig tennisspiller fra Storbritannien.