Australia
31.07.02, 22 years
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Australia
21.12.97, 27 years
INFO: click on player name to show detailed player statistics
William Jesser vs. Zac Osborne - head to head matches
William Jesser form & Zac Osborne form
William Jesser - last matches
 M25 Gold - Hard |
| 26.11.23 q 1 | vs. Mason Naumovski | 3-6, 3-6 |  | match details |
| M25 Brisbane - Hard |
| 19.11.23 q 1 | vs. Jayden Lewindon | 6-2, 4-6, 11-13 | | match details |
| M25 Cairns - Hard |
| 10.10.23 q 2 | vs. Omar Fields | 1-6, 1-6 | | match details |
| 08.10.23 q 1 | vs. Mitchell Ayton | 6-3, 6-0 |  | match details |
| M25 Cairns - Hard |
| 01.10.23 q 1 | vs. Blake Bayldon | 4-6, 7-5, 2-10 | | match details |
| M25 Darwin - Hard |
| 18.09.23 q 2 | vs. Henrik Wiersholm | 0-6, 3-6 | | match details |
| 17.09.23 q 1 | vs. Alexander Despoja | 6-2, 4-6, 10-6 | | match details |
| M25 Darwin - Hard |
| 11.09.23 q 2 | vs. Sam Oster | 4-6, 2-6 | | match details |
| 10.09.23 q 1 | vs. Lachlan Rowing | 6-3, 7-5 | | match details |
| M15 Caloundra - Hard |
| 31.07.23 q 2 | vs. Sam Ryan Ziegann | 0-6, 6-73 | | match details |
| 30.07.23 q 1 | vs. Zachary Adam-Gedge | 6-2, 6-0 | | match details |
| M15 Caloundra - Hard |
| 23.07.23 q 1 | vs. Sam Oster | 3-6, 1-6 | | match details |
 M15 Tianjin - Hard |
| 03.07.23 q 2 | vs. He Ziheng | 3-6, 7-5, 5-10 | | match details |
| 02.07.23 q 1 | vs. Xiaoyu He | 6-1, Xiaoyu He - retired | | match details |
| M15 Tianjin - Hard |
| 26.06.23 q 2 | vs. Chen-Yu Lu | 3-6, 3-6 | | match details |
| 25.06.23 q 1 | vs. Yitao Cao | 7-64, 0-6, 11-9 | | match details |
| M15 Tianjin - Hard |
| 18.06.23 q 1 | vs. Leroy Yong | 0-6, 1-6 | | match details |
| M25 Canberra - Clay |
| 19.03.23 q 1 | vs. Jiayang Dong | 2-6, 3-6 | | match details |
| M25 Canberra - Clay |
| 12.03.23 q 1 | vs. Jayden Court | 2-6, 1-6 | | match details |
| M25 Swan - Grass |
| 27.02.23 q 2 | vs. Scott Jones | 1-6, 2-6 | | match details |
| M25 Swan - Grass |
| 19.02.23 q 1 | vs. Adrian Correa | 5-7, 4-6 | | match details |
| M25 Burnie - Hard |
| 05.02.23 q 1 | vs. Arjun Mehrotra | 3-6, 6-4, 8-10 | | match details |
 M15 Tauranga - Hard |
| 18.12.22 q 1 | vs. Rob Reynolds | 0-6, 6-74 | | match details |
| M15 Wellington - Hard |
| 12.12.22 q 1 | vs. Matavao Fanguna | 6-4, 3-6, 10-5 | | match details |
| 12.12.22 qual. | vs. Tai Sach | 3-6, 1-6 | | match details |
| M25 Traralgon - Hard |
| 23.11.22 q 2 | vs. Arjun Mehrotra | 5-7, 7-5, 10-6 | | match details |
| 23.11.22 qual. | vs. Jeremy Taylor | 1-6, 1-6 | | match details |
| 20.11.22 q 1 | vs. Thomas Pavlekovich Smith | 7-64, 6-1 | | match details |
| M25 Traralgon - Hard |
| 13.11.22 q 1 | vs. Pavle Marinkov | 2-6, 6-2, 10-12 | | match details |
| M25 Cairns - Hard |
| 10.10.22 q 2 | vs. Zaharije-Zak Talic | 0-6, 6-72 | | match details |
Zac Osborne - last matches
| M25 Traralgon - Hard |
| 22.11.22 q 1 | vs. Kuan Yu Chen | 5-7, 3-6 | | match details |
| M25 Traralgon - Hard |
| 13.11.22 q 1 | vs. James Elia | 4-6, 1-6 | | match details |
| M25 Darwin - Hard |
| 19.09.22 q 2 | vs. William Jesser | 6-73, 4-6 | | match details |
| M15 Caloundra - Hard |
| 25.07.22 q 2 | vs. Alec Braund | 6-2, 4-6, 5-10 | | match details |
| 24.07.22 q 1 | vs. David Hough | 6-2, 6-4 | | match details |
| M15 Caloundra - Hard |
| 18.07.22 q 1 | vs. Hien Pham | 6-4, 6-75, 4-10 | | match details |
 M15 Tay - Hard |
| 12.06.22 q 1 | vs. Takuya Kumasaka | 2-6, 2-6 | | match details |
| M15 Tay - Hard |
| 05.06.22 q 1 | vs. Patrick Fitzgerald | 3-6, 3-6 | | match details |
| M25 Canberra - Clay |
| 28.03.22 q 2 | vs. Tom Evans | 6-71, 1-6 | | match details |
| 27.03.22 q 1 | vs. Nathan Boniel | 7-66, 6-0 | | match details |
| M25 Canberra - Clay |
| 22.03.22 qual. | vs. Daiki Yoshimura | 5-7, 1-6 | | match details |
| 21.03.22 q 2 | vs. Glen Dawes | 6-3, 6-4 | | match details |
| 20.03.22 q 1 | vs. Thomas Pavlekovich Smith | 7-5, Thomas Pavlekovich Smith - retired | | match details |
| M25 Canberra - Hard |
| 14.02.22 qual. | vs. Patrick Fitzgerald | 2-6, 1-6 | | match details |
| 13.02.22 q 1 | vs. Kaj Quirijns | 6-3, 6-1 | | match details |
 M15 Antalya - Clay |
| 05.12.21 q 1 | vs. Giulio Colacioppo | 4-6, 2-6 | | match details |
| M15 Antalya - Clay |
| 29.11.21 q 2 | vs. Pavle Daljev | 4-6, 0-6 | | match details |
| 29.11.21 q 1 | vs. Doruk Turknas | 6-2, 2-6, 10-2 | | match details |
| M15 Antalya - Clay |
| 21.11.21 q 1 | vs. Iacopo Sada | 1-6, 0-6 | | match details |
| M15 Antalya - Clay |
| 15.11.21 q 2 | vs. Rrezart Cungu | 2-6, 2-6 | | match details |
| 14.11.21 q 1 | vs. Daniil Romanov | 6-0, 6-2 | | match details |
| M15 Antalya - Clay |
| 07.11.21 q 1 | vs. Francesco Ferrari | 2-6, 4-6 | | match details |
| M15 Antalya - Clay |
| 31.10.21 q 1 | vs. Giuseppe La Vela | 2-6, 6-2, 9-11 | | match details |
| M15 Antalya - Clay |
| 24.10.21 q 1 | vs. Daniil Gusev | 4-6, 4-6 | | match details |
| M25 Geelong - Grass |
| 08.03.20 q 1 | vs. Adam Matthew Gadecki | 4-6, 5-7 | | match details |
| M25 Mildura - Grass |
| 01.03.20 q 1 | vs. Blazo N Djurovic | 4-6, 6-3, 6-10 | | match details |
| M15 Te - Hard |
| 30.12.19 qual. | vs. William Hatzis | 7-64, 4-6, 9-11 | | match details |
| M25 Toowoomba - Hard |
| 05.10.19 q 1 | vs. Glen Dawes | 1-6, 4-6 | | match details |
| M25 Brisbane - Hard |
| 29.09.19 q 1 | vs. Matthew Dellavedova | 2-6, 2-6 | | match details |
| M25 Darwin - Hard |
| 21.09.19 q 1 | vs. Nicholas Horton | 0-6, 4-6 | | match details |
