| Challenger - Tallahassee | 04/15 22:00 | 25 | J.J. Wolf v Henry Searle | 5-7,6-7 | |
| Challenger - Sarasota | 04/08 23:40 | 25 | [102] J.J. Wolf v Dmitry Popko [236] | 6-7,1-6 | |
| ATP - Houston | 04/04 02:05 | 26 | [51] Marcos Giron v J.J. Wolf [96] | 6-4,6-3 | |
| ATP - Houston | 04/02 01:10 | 25 | [194] Alexander Ritschard v J.J. Wolf [96] | 3-6,6-2,4-6 | |
| ATP - Miami | 03/19 15:00 | 15 | [94] J.J. Wolf v Vit Kopriva [116] | 3-6,6-1,4-6 | |
| ATP - Miami | 03/18 15:00 | 14 | J.J. Wolf v Eliot Spizzirri | 6-3,7-5 | |
| Challenger - Phoenix | 03/13 02:00 | 25 | [94] J.J. Wolf v Quentin Halys [104] | 6-2,5-7,6-7 | |
| ATP - Indian Wells | 03/07 23:40 | 23 | [65] Thiago Seyboth Wild v J.J. Wolf [94] | 6-2,6-1 | |
| Australian Open | 01/14 05:40 | 23 | [54] J.J. Wolf v Sebastian Baez [26] | Retired | |
| ATP - Auckland | 01/08 00:50 | 25 | [53] J.J. Wolf v Luca Van Assche [90] | 4-6,2-6 | |
| ATP - Brisbane | 01/02 06:00 | 25 | [53] J.J. Wolf v James Duckworth [116] | 3-6,4-6 | |
| ATP - Paris | 10/31 13:10 | 24 | [57] Jeffrey John Wolf v Mackenzie McDonald [42] | 6-1,4-6,2-6 | |
| ATP - Paris | 10/29 10:00 | 19 | [59] Jeffrey John Wolf v Roberto C Baena [64] | 6-3,6-4 | |
| ATP - Paris | 10/28 08:00 | 14 | [59] Jeffrey John Wolf v Bernabe Zapata Miralles [80] | Retired | |
| ATP - Wien | 10/23 12:00 | 25 | [59] J.J. Wolf v Jiri Lehecka [31] | 4-6,4-6 | |
| ATP - Stockholm | 10/18 14:15 | 26 | [58] J.J. Wolf v Laslo Djere [35] | 5-7,4-6 | |
| ATP - Stockholm | 10/17 11:00 | 25 | [28] Sebastian Baez v J.J. Wolf [58] | 6-7,2-6 | |
| ATP - Shanghai | 10/11 07:15 | 26 | [34] Ugo Humbert v J.J. Wolf [51] | 6-1,6-2 | |
| ATP - Shanghai | 10/09 12:10 | 25 | [42] Matteo Arnaldi v J.J. Wolf [51] | 6-2,3-6,6-7 | |
| ATP - Shanghai | 10/08 04:30 | 24 | [51] J.J. Wolf v Cameron Norrie [16] | 6-3,5-7,7-6 | |
| ATP - Shanghai | 10/05 11:45 | 23 | [51] J.J. Wolf v Pedro Cachin [71] | 3-6,6-3,6-4 | |
| ATP - Peking | 09/28 06:00 | 25 | [48] Matteo Arnaldi v J.J. Wolf [51] | 6-2,6-2 | |
| ATP - Peking | 09/27 03:00 | 19 | [43] Max Purcell v J.J. Wolf [51] | 3-6,0-6 | |
| ATP - Peking | 09/26 05:15 | 14 | Yan Bai v J.J. Wolf | 6-7,3-6 | |
| US Open | 08/28 15:00 | 23 | [45] J.J. Wolf v Zhizhen Zhang [67] | 5-7,5-7,7-6,6-4,3-6 | |
| ATP - Cincinnati | 08/15 23:25 | 24 | [12] Alex De Minaur v J.J. Wolf [44] | 6-0,3-6,6-1 | |
| ATP - Toronto | 08/07 18:10 | 24 | [37] Alejandro Davidovich Fokina v J.J. Wolf [43] | 6-0,6-2 | |
| ATP - Washington | 08/04 22:10 | 27 | [45] J.J. Wolf v Tallon Griekspoor [37] | 5-7,4-6 | |
| ATP - Washington | 08/03 16:00 | 26 | [112] Michael Mmoh v J.J. Wolf [45] | 4-6,6-7 | |
| ATP - Washington | 08/02 16:00 | 25 | [97] Radu Albot v J.J. Wolf [45] | 1-6,3-6 |
Wikipedia - J. J. Wolf
Jeffrey John „J. J.“ Wolf (* 21. Dezember 1998 in Cincinnati, Ohio) ist ein US-amerikanischer Tennisspieler.