Challenger - Winnipeg 07/08 18:00 24 Strong Kirchheimer v Jeffrey John Wolf 4-6,4-6
Challenger - Columbus 06/12 16:10 25 [349] Ji Sung Nam v Jeffrey John Wolf [269] 6-4,3-6,6-4
Challenger Drummondville 03/14 23:00 26 [287] Jeffrey John Wolf v Yannick Maden [119] 4-6,6-7
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

Wikipedia - J. J. Wolf

Jeffrey John „J. J.” Wolf (n. , Indian Hill⁠(d), Comitatul Hamilton, Ohio, Ohio, SUA) este un tenismen profesionist american. Cea mai înaltă poziție în clasamentul ATP la simplu este locul 56 mondial, la 17 octombrie 2022. Wolf a jucat în colegiu la Universitatea de Stat din Ohio.