Historique des matchs du joueur de tennis: Retrouvez ici la totalité des matchs et tournois joués par Billy Harris.
449 matchs enregistrés.
| 11/11/2026 | Matsuyama Challenger | Fajing Sun vs. Billy Harris |
| 10/11/2026 | Matsuyama Challenger | Billy Harris vs. Liam Broady |
| 04/11/2026 | Taipei Challenger | Jan Kumstat vs. Billy Harris |
| 03/11/2026 | Taipei Challenger | Kuan-Shou Chen vs. Billy Harris |
| 31/10/2026 | Seoul Challenger | Billy Harris vs. Terence Atmane |
| 30/10/2026 | Seoul Challenger | Rei Sakamoto vs. Billy Harris |
| 28/10/2026 | Seoul Challenger | Billy Harris vs. Aleksandar Vukic |
| 26/10/2026 | Seoul Challenger | Jangjun Kim vs. Billy Harris |
| 14/10/2026 | Roanne Challenger | Matisse Bobichon vs. Billy Harris |
| 05/10/2026 | Shanghai Rolex Masters - Shanghai | Billy Harris vs. Dalibor Svrcina |
| 29/09/2026 | Mouilleron-Le-Captif Challenger | Billy Harris vs. Felix Balshaw |
| 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 |