Historique des matchs du joueur de tennis: Retrouvez ici la totalité des matchs et tournois joués par Billy Harris.
438 matchs enregistrés.
| 24/09/2026 | St. Tropez Challenger | Billy Harris vs. Murphy Cassone |
| 22/09/2026 | St. Tropez Challenger | Nicolai Budkov Kjaer vs. Billy Harris |
| 14/09/2026 | Rennes Challenger | Ugo Blanchet vs. Billy Harris |
| 10/09/2026 | Cassis Challenger | Moez Echargui vs. Billy Harris |
| 07/09/2026 | Cassis Challenger | Hugo Grenier vs. Billy Harris |
| 04/09/2026 | Manacor Challenger | Billy Harris vs. Felix Balshaw |
| 03/09/2026 | Manacor Challenger | Billy Harris vs. Jay Dylan Hara Friend |
| 01/09/2026 | Manacor Challenger | Billy Harris vs. Hugo Grenier |
| 26/08/2026 | U.S. Open - New York | Toby Samuel vs. Billy Harris |
| 24/08/2026 | U.S. Open - New York | Gonzalo Bueno vs. Billy Harris |
| 12/08/2026 | Cincinnati Open - Cincinnati | Billy Harris vs. Kyrian Jacquet |
| 25/07/2026 | Citi Open - Washington | Abedallah Shelbayh vs. Billy Harris |
| 22/07/2026 | Bloomfield Hills Challenger | Dhakshineswar Suresh vs. Billy Harris |
| 30/06/2026 | Wimbledon - London | Karen Khachanov vs. Billy Harris |
| 25/06/2026 | Wimbledon - London | Yi Zhou vs. Billy Harris |
| 24/06/2026 | Wimbledon - London | Zsombor Piros vs. Billy Harris |
| 22/06/2026 | Wimbledon - London | Stefano Napolitano vs. Billy Harris |
| 18/06/2026 | Nottingham 2 Challenger | Billy Harris vs. Otto Virtanen |
| 17/06/2026 | Nottingham 2 Challenger | Billy Harris vs. Arthur Gea |
| 15/06/2026 | Nottingham 2 Challenger | Chak Lam Coleman Wong vs. Billy Harris |