Jeffrey John Wolf
| Challenger Drummondville | 03/12 23:55 | 25 | [264] Thai-Son Kwiatkowski v Jeffrey John Wolf [287] | 1-6,2-6 | |
| Challenger Drummondville | 03/11 20:55 | 24 | [287] Jeffrey John Wolf v Andre Goransson [172] | 6-3,6-4 | |
| Challenger Drummondville | 03/11 19:20 | 24 | Jeffrey John Wolf v Gastao Elias | Cancelled | |
| ATP Indian Wells | 03/06 20:20 | 45 | [66] Ugo Humbert v Jeffrey John Wolf [287] | 7-5,7-5 | |
| ATP Indian Wells | 03/05 19:00 | 44 | [287] Jeffrey John Wolf v Marco Trungelliti [112] | 6-4,6-1 | |
| Challenger Cleveland | 01/31 20:20 | 26 | [291] Jeffrey John Wolf v Marcos Giron [247] | 4-6,7-6,5-7 | |
| Challenger Cleveland | 01/30 18:30 | 25 | [115] Jason Jung v Jeffrey John Wolf [291] | 3-6,4-6 | |
| Challenger Cleveland | 01/29 02:30 | 24 | [291] Jeffrey John Wolf v Ryan Shane [363] | 6-1,6-2 | |
| Challenger Columbus | 01/13 17:00 | 29 | [330] Mikael Torpegaard v Jeffrey John Wolf [366] | 7-6,3-6,4-6 | |
| Challenger Columbus | 01/12 20:40 | 28 | [288] Scott Griekspoor v Jeffrey John Wolf [366] | 1-6,3-6 | |
| Challenger Columbus | 01/11 21:35 | 27 | [291] Jan Choinski v Jeffrey John Wolf [366] | 2-6,1-6 | |
| Challenger Columbus | 01/10 21:15 | 26 | [366] Jeffrey John Wolf v Filip Peliwo [244] | 6-0,6-0 | |
| Challenger Columbus | 01/08 22:30 | 25 | [270] Gianluca Mager v Jeffrey John Wolf [366] | 6-4,3-6,5-7 | |
| Challenger Columbus | 01/07 19:00 | 24 | [366] Jeffrey John Wolf v Stefan Kozlov [309] | 6-2,7-6 | |
| Challenger Orlando | 01/01 18:15 | 24 | [285] Lucas Miedler v Jeffrey John Wolf [364] | 5-7,6-3,6-4 | |
| Challenger Orlando | 12/31 15:00 | 166 | Jeffrey John Wolf v Gijs Brouwer | 7-5,7-6 | |
| Challenger Champaign | 11/13 01:20 | 25 | Jeffrey John Wolf v Jared Hiltzik | 5-7,5-7 | |
| Challenger Knoxville | 11/06 18:10 | 25 | Christopher Eubanks v Jeffrey John Wolf | 7-5,6-7,6-4 | |
| Challenger Las Vegas | 10/22 20:30 | 25 | [442] Jeffrey John Wolf v Adrian Menendez-Maceiras [121] | 3-6,3-6 | |
| Challenger Fairfield | 10/12 22:25 | 27 | [132] Adrian M-Maceiras v Jeffrey John Wolf [499] | 6-0,6-4 | |
| Challenger Fairfield | 10/11 19:00 | 26 | [499] Jeffrey John Wolf v Noah Rubin [125] | 6-3,6-2 | |
| Challenger Fairfield | 10/10 18:00 | 25 | [286] Evan King v Jeffrey John Wolf [499] | 6-2,1-6,4-6 | |
| Challenger Columbus | 09/19 16:00 | 26 | Mikael Torpegaard v Jeffrey John Wolf | 6-1,6-4 | |
| Challenger Columbus | 09/17 16:35 | 25 | Jeffrey John Wolf v Jan Choinski | 7-5,6-4 | |
| Challenger Cary | 09/11 16:00 | 25 | Marcelo Arevalo v Jeffrey John Wolf | 6-3,6-3 | |
| Challenger Cary | 09/10 16:00 | 54 | Vincent Millot v Jeffrey John Wolf | 6-7,1-6 | |
| Challenger Cary | 09/09 14:00 | 46 | Jeffrey John Wolf v Strong Kirchheimer | 6-4,4-6,6-2 | |
| Challenger Cary | 09/08 15:20 | 45 | Jeffrey John Wolf v Joshua Peck | Retired | |
| ATP Cincinnati Qual | 08/12 20:10 | 46 | Marius Copil v Jeffrey John Wolf | 6-4,7-6 | |
| ATP Cincinnati Qual | 08/12 02:15 | 45 | Jeffrey John Wolf v Jozef Kovalík | 7-6,7-6 |
Wikipedia - J. J. Wolf
Jeffrey John „J. J.“ Wolf (* 12. prosince 1998 Cincinnati, Ohio) je americký profesionální tenista. Ve své dosavadní kariéře na okruhu ATP Tour nevyhrál žádný turnaj. Na challengerech ATP a okruhu ITF získal šest titulů ve dvouhře.
Na žebříčku ATP byl ve dvouhře nejvýše klasifikován v únoru 2023 na 39. místě a ve čtyřhře v květnu 2019 na 606. místě. Trénují ho Patrick Thompson a David Kass.