Billy Harris - ATP #142 (2025-06-30)
| atpworldtour.com | ATP | Country |  England |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | 101 - 2024-09-09 | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Grass | 11 | 8 | 57.89% |
| Clay | 0 | 1 | 0.00% |
| Hard (out.) | 0 | 5 | 0.00% |
| Hard (in.) | 1 | 2 | 33.33% |
| TOTAL | 12 | 16 | 42.86% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-06-30 | GS |  Wimbledon | Grass | 64e | #167 |  #117 Dusan Lajovic | ||
| 2 | 2025-06-23 | 250 | Eastbourne International | Grass | QF | #167 |  #19 Ugo Humbert | 7/6(4) 6/1 | |
| 3 | 2025-06-23 | 250 | Eastbourne International | Grass | 8e | #167 |  #72 Mattia Bellucci | 6/3 6/4 | |
| 4 | 2025-06-23 | 250 | Eastbourne International | Grass | 16e | #167 | #60 Cameron Norrie | 6/4 6/4 | |
| 5 | 2025-06-16 | 500 | Tournoi du Queen's | Grass | 16e | #112 |  #48 Gabriel Diallo | 6/1 3/6 6/4 | |
| 6 | 2025-04-14 | 500 |  Munich Open | Clay | 16e | #103 |  #54 David Goffin | 6/2 6/7(2) 6/4 | |
| 7 | 2025-03-19 | 1000 |  Miami Masters | Hard (out.) | 64e | #104 | #130 Eliot Spizzirri | 7/6(2) 3/6 6/2 | |
| 8 | 2024-09-30 | 1000 |  Shanghai Masters | Hard (out.) | 64e | #102 | #103 Mattia Bellucci | 6/3 6/4 | |
| 9 | 2024-07-22 | 250 | Atlanta Open | Hard (out.) | 16e | #158 |  #98 Aslan Karatsev | 6/2 6/2 | |
| 10 | 2024-07-01 | GS | Wimbledon | Grass | 64e | #158 |  #60 Jaume Munar | 6/4 6/4 3/6 6/3 | |
| 11 | 2024-06-24 | 250 | Eastbourne International | Grass | DF | #158 |  #92 Max Purcell | 6/4 4/6 6/4 | |
| 12 | 2024-06-24 | 250 | Eastbourne International | Grass | QF | #158 | #48 Flavio Cobolli | 6/7(3) 7/6(4) 6/2 | |
| 13 | 2024-06-24 | 250 | Eastbourne International | Grass | 8e | #158 | #10000 Charles Broom | 3/6 6/2 6/2 | |
| 14 | 2024-06-24 | 250 | Eastbourne International | Grass | 16e | #158 | #274 Jacob Fearnley | 6/4 7/6(7) | |
| 15 | 2024-06-17 | 500 | Tournoi du Queen's | Grass | QF | #182 | #30 Lorenzo Musetti | 6/3 7/5 | |
| 16 | 2024-06-17 | 500 | Tournoi du Queen's | Grass | 8e | #182 | #64 Giovanni Mpetshi Perricard | 6/4 7/5 | |
| 17 | 2024-06-17 | 500 | Tournoi du Queen's | Grass | 16e | #182 |  #31 Tomas Martin Etcheverry | 6/4 3/6 6/3 | |
| 18 | 2024-06-03 | Challenger | Surbiton Trophy Challenger | Grass | DF | #201 |  #132 Lloyd Harris | 6/4 6/4 | |
| 19 | 2024-06-03 | Challenger | Surbiton Trophy Challenger | Grass | QF | #201 |  #112 Mikhail Kukushkin | 5/7 7/6(5) 7/6(4) | |
| 20 | 2024-06-03 | Challenger | Surbiton Trophy Challenger | Grass | 8e | #201 | #124 Tristan Schoolkate | 6/4 7/6(4) | |
| 21 | 2024-06-03 | Challenger | Surbiton Trophy Challenger | Grass | 16e | #201 | #92 DoNotUse Juncheng Shang | 6/3 7/6(8) | |
| 22 | 2024-01-29 | Challenger | Koblenz Open | Hard (in.) | 16e | #199 | #422 Hazem Naw | 7/5 7/5 | |
| 23 | 2023-11-06 | 250 |  Sofia Open | Hard (in.) | 8e | #10000 | #27 Jan-Lennard Struff | 7/6(5) 6/4 | |
| 24 | 2023-11-06 | 250 | Sofia Open | Hard (in.) | 16e | #10000 |  #194 Marc-Andrea Huesler | 6/4 3/6 7/6(5) | |
| 25 | 2023-09-18 | Challenger | Saint-Tropez Challenger | Hard (out.) | 16e | #308 | #170 Harold Mayot | 6/3 4/6 6/2 | |
| 26 | 2023-06-05 | Challenger | Surbiton Trophy Challenger | Grass | 16e | #10000 | #137 Rinky Hijikata | 6/3 7/5 | |
| 27 | 2023-01-09 | Challenger |  Bangkok Open 2 (Challenger) | Hard (out.) | 16e | #338 | #331 Valentin Royer | 6/1 ret. | |
| 28 | 2022-05-30 | Challenger | Surbiton Trophy Challenger | Grass | 16e | #335 | #106 Jack Draper | 6/2 6/2 |
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