Jeffrey John Wolf
| Challenger Dallas | 02/07 17:00 | 27 | [183] Jeffrey John Wolf v Emilio Gomez [156] | 6-7,6-7 | |
| Challenger Dallas | 02/06 18:25 | 26 | [265] Yosuke Watanuki v Jeffrey John Wolf [183] | 4-6,5-7 | |
| Challenger Dallas | 02/04 17:25 | 25 | [210] Ernesto Escobedo v Jeffrey John Wolf [183] | 6-7,3-6 | |
| Australian Open | 01/17 00:55 | 45 | [202] Marco Trungelliti v Jeffrey John Wolf [181] | 0-6,7-6,7-5 | |
| Australian Open | 01/15 23:00 | 44 | [225] Zdenek Kolar v Jeffrey John Wolf [181] | 4-6,2-6 | |
| Challenger Noumea | 01/13 00:00 | 29 | [100] Yuichi Sugita v Jeffrey John Wolf [185] | 2-6,2-6 | |
| Challenger Noumea | 01/10 23:00 | 28 | [219] Matteo Viola v Jeffrey John Wolf [185] | 2-6,2-6 | |
| Challenger Noumea | 01/09 23:00 | 27 | [341] Blaz Kavcic v Jeffrey John Wolf [185] | 3-6,4-6 | |
| Challenger Noumea | 01/09 04:00 | 26 | [231] Alexandre Muller v Jeffrey John Wolf [185] | 1-6,3-6 | |
| Challenger Noumea | 01/07 01:30 | 25 | [185] Jeffrey John Wolf v Roberto Carballes Baena [80] | 6-2,6-7,6-2 | |
| Challenger Noumea | 01/06 04:40 | 24 | [185] Jeffrey John Wolf v Facundo Mena [204] | 6-2,6-2 | |
| Challenger Champaign | 11/17 17:30 | 29 | [255] Jeffrey John Wolf v Sebastian Korda [293] | 6-4,6-7,7-6 | |
| Challenger Champaign | 11/16 17:30 | 28 | [255] Jeffrey John Wolf v Blaz Kavcic [387] | 6-4,6-2 | |
| Challenger Champaign | 11/15 16:00 | 27 | [473] Stefan Kozlov v Jeffrey John Wolf [255] | 2-6,2-6 | |
| Challenger Champaign | 11/14 20:00 | 26 | [255] Jeffrey John Wolf v Christopher Eubanks [220] | 7-5,4-6,6-4 | |
| Challenger Champaign | 11/13 16:00 | 25 | [255] Jeffrey John Wolf v Daniel Altmaier [365] | 6-2,7-6 | |
| Challenger Knoxville | 11/07 16:20 | 26 | [257] Jeffrey John Wolf v Ernesto Escobedo [231] | 3-6,2-6 | |
| Challenger Knoxville | 11/06 15:00 | 25 | [111] Taro Daniel v Jeffrey John Wolf [257] | 6-7,4-6 | |
| Challenger Knoxville | 11/05 17:50 | 24 | [236] Adrian M-Maceiras v Jeffrey John Wolf [257] | 6-2,3-6,2-6 | |
| Challenger Charlottesville | 10/30 14:00 | 25 | [255] Jeffrey John Wolf v Dmitry Popko [212] | 6-4,4-6,3-6 | |
| Challenger Charlottesville | 10/28 15:55 | 24 | Jeffrey John Wolf v Govind Nanda | 6-0,6-1 | |
| Challenger Las Vegas | 10/15 20:10 | 25 | [343] Michael Redlicki v Jeffrey John Wolf [256] | 6-3,7-5 | |
| Challenger Tiburon | 09/25 21:10 | 25 | [226] Maxime Cressy v Jeffrey John Wolf [248] | 6-1,6-4 | |
| Challenger Tiburon | 09/24 20:25 | 24 | [462] Alexander Sarkissian v Jeffrey John Wolf [248] | 7-6,6-7,4-6 | |
| Challenger Columbus 3 | 09/22 16:00 | 29 | [285] Jeffrey John Wolf v Peter Polansky [200] | 3-6,6-7 | |
| Challenger Columbus 3 | 09/21 18:15 | 28 | [166] Emilio Gomez v Jeffrey John Wolf [285] | 2-6,6-7 | |
| Challenger Columbus 3 | 09/20 19:55 | 27 | Jeffrey John Wolf v Gabriel Petit | 4-6,6-4,6-1 | |
| Challenger Columbus 3 | 09/19 17:40 | 26 | [168] Michael Mmoh v Jeffrey John Wolf [285] | 2-6,2-6 | |
| Challenger Columbus 3 | 09/18 16:25 | 25 | Kyle Seelig v Jeffrey John Wolf | 3-6,2-6 | |
| Challenger Cary | 09/09 18:55 | 24 | [282] Jeffrey John Wolf v Evan Song [419] | 4-6,3-6 |
Wikipedia - Jeffrey John Wolf
Jeffrey John „J. J.” Wolf (ur. 21 grudnia 1998 w Cincinnati) – amerykański tenisista.