| Challenger - Cassis | 09/06 08:30 | 26 | [427] Elmer Moller v Billy Harris [311] | 1-6,5-7 | |
| Challenger - Cassis | 09/05 08:00 | 25 | [246] Mark Lajal v Billy Harris [311] | 3-6,6-7 | |
| Challenger - Augsburg | 08/22 09:20 | 25 | [461] Gianmarco Ferrari v Billy Harris [308] | 6-7,6-1,6-4 | |
| Challenger - Winnipeg | 08/17 16:00 | 27 | [330] Billy Harris v Liam Broady [117] | 6-7,4-6 | |
| Challenger - Winnipeg | 08/16 17:00 | 26 | [122] Luca Nardi v Billy Harris [330] | 4-6,7-5,5-7 | |
| Challenger - Winnipeg | 08/14 21:20 | 25 | Dan Martin v Billy Harris | 4-6,4-6 | |
| Challenger - Winnipeg | 08/13 16:00 | 14 | Billy Harris v Kiranpal Pannu | Cancelled | |
| Challenger - Cary | 08/09 18:00 | 26 | [333] Billy Harris v Adam Walton [256] | 6-3,6-7,6-7 | |
| Challenger - Cary | 08/08 18:00 | 25 | [180] Emilio Gomez v Billy Harris [333] | 5-7,6-7 | |
| Challenger - Cary | 08/07 18:20 | 19 | Billy Harris v Jaimee Floyd Angele | 7-6,7-5 | |
| Challenger - Cary | 08/06 18:30 | 14 | Billy Harris v Donald Young | 6-4,6-4 | |
| Challenger - Lexington | 07/31 23:50 | 25 | [314] Billy Harris v Steve Johnson [193] | 6-7,4-6 | |
| ITF - M25 - Roehampton | 07/20 12:30 | 27 | Billy Harris v Daniel Cox | 4-6,5-7 | |
| ITF - M25 - Roehampton | 07/19 12:55 | 26 | Billy Harris v Patrick Brady | 6-3,7-6 | |
| ITF - M25 - Roehampton | 07/18 10:00 | 25 | Billy Harris v Oscar Weightman | 6-3,6-2 | |
| ITF - M25 - Nottingham | 07/15 09:30 | 29 | Billy Harris v Toby Samuel | 4-6,4-6 | |
| ITF - M25 - Nottingham | 07/14 10:00 | 28 | [377] Charles Broom v Billy Harris [348] | 3-6,6-7 | |
| ITF - M25 - Nottingham | 07/13 10:00 | 27 | Billy Harris v Connor Thomson | 6-1,7-6 | |
| ITF - M25 - Nottingham | 07/12 14:45 | 26 | Billy Harris v Yannik Steinegger | 6-4,6-1 | |
| ITF - M25 - Nottingham | 07/12 10:15 | 25 | Billy Harris v Devin Badenhorst | 7-6,6-2 | |
| Wimbledon | 06/29 10:30 | 19 | [156] Hamad Medjedovic v Billy Harris [346] | 6-4,7-6,6-4 | |
| Wimbledon | 06/28 12:55 | 15 | [346] Billy Harris v Hugo Gaston [137] | 2-6,7-6,6-4 | |
| Wimbledon | 06/26 15:35 | 14 | [346] Billy Harris v Alexander Ritschard [161] | 5-7,7-6,6-2 | |
| ATP - Queens | 06/18 10:00 | 19 | [16] Tommy Paul v Billy Harris [349] | 6-3,6-4 | |
| ATP - Queens | 06/17 10:00 | 26 | [349] Billy Harris v Constant Lestienne [67] | 3-6,7-5,6-3 | |
| Challenger - Nottingham | 06/11 14:20 | 45 | [200] Juncheng Shang v Billy Harris [355] | 6-3,6-3 | |
| Challenger - Surbiton | 06/06 13:20 | 25 | [136] Rinky Hijikata v Billy Harris [355] | 6-3,7-5 | |
| Challenger - Surbiton | 06/05 12:00 | 19 | [355] Billy Harris v Zachary Svajda [227] | 6-4,7-6 | |
| Challenger - Surbiton | 06/04 13:10 | 14 | [200] Juncheng Shang v Billy Harris [355] | 5-7,5-7 | |
| UK - Pro League | 05/30 12:00 | 1 | Billy Harris v Roy Keegan | Retired |
Wikipedia - Billy Harris (Tennisspieler)
Billy Harris (* 25. Januar 1995 in Nottingham) ist ein britischer Tennisspieler aus England.