Challenger - Champaign 11/15 19:00 25 [283] Tatsuma Ito v Jeffrey John Wolf [184] 3-6,6-3,3-6
Challenger - Knoxville 11/09 15:00 25 [263] Christian Harrison v Jeffrey John Wolf [152] 6-2,6-3
Challenger - Charlottesville 11/06 17:35 28 [224] Stefan Kozlov v Jeffrey John Wolf [159] 6-1,6-7,6-0
Challenger - Charlottesville 11/05 19:25 27 [159] Jeffrey John Wolf v Thai-Son Kwiatkowski [228] 7-5,6-4
Challenger - Charlottesville 11/04 20:00 26 [89] Denis Kudla v Jeffrey John Wolf [159] 2-6,6-7
Challenger - Charlottesville 11/03 01:00 25 [159] Jeffrey John Wolf v Martin Damm [459] 7-5,6-4
Challenger - Las Vegas 10/31 19:00 29 [247] Stefan Kozlov v Jeffrey John Wolf [195] 4-6,4-6
Challenger - Las Vegas 10/30 20:00 28 [224] Michael Mmoh v Jeffrey John Wolf [195] 3-6,2-6
Challenger - Las Vegas 10/29 20:05 27 [161] Ernesto Escobedo v Jeffrey John Wolf [195] 3-6,3-6
Challenger - Las Vegas 10/27 18:00 26 [195] Jeffrey John Wolf v Denis Kudla [90] 4-6,6-3,6-0
Challenger - Las Vegas 10/26 21:15 25 [393] Shintaro Mochizuki v Jeffrey John Wolf [195] 3-6,5-7
ATP - Indian Wells 10/08 02:40 23 [68] Vasek Pospisil v Jeffrey John Wolf [187] 6-4,4-6,6-4
Challenger - Columbus 09/25 16:00 28 [196] Jeffrey John Wolf v Stefan Kozlov [301] 6-2,3-6,5-7
Challenger - Columbus 09/24 17:40 27 [102] Tennys Sandgren v Jeffrey John Wolf [196] 3-6,6-3,6-7
Challenger - Columbus 09/23 16:20 26 [128] Evan King v Jeffrey John Wolf [196] 3-6,0-6
Challenger - Columbus 09/21 18:10 25 [392] Sasikumar Mukund v Jeffrey John Wolf [196] 3-6,2-6
US Open 08/26 15:00 15 [115] Kamil Majchrzak v Jeffrey John Wolf [157] 6-3,7-6
US Open 08/24 15:00 14 [157] Jeffrey John Wolf v Denis Istomin [207] 7-5,6-2
ATP - Cincinnati 08/14 20:35 14 Jeffrey John Wolf v Marcos Giron 3-6,3-6
ATP - Toronto 08/07 18:10 46 [53] Frances Tiafoe v Jeffrey John Wolf [151] 6-2,0-6,6-4
ATP - Washington 08/01 21:05 19 [151] Jeffrey John Wolf v Elias Ymer [168] 6-7,6-7
ATP - Washington 07/31 21:20 14 [151] Jeffrey John Wolf v Ulises Blanch [249] 6-7,7-6,6-3
ATP Atlanta 07/27 19:00 25 [35] John Isner v Jeffrey John Wolf [151] 6-4,6-7,6-4
ATP - Los Cabos 07/20 01:20 25 [134] Brandon Nakashima v Jeffrey John Wolf [151] 6-3,6-7,6-2
Challenger - Parma 2 11/03 09:30 25 [123] Jeffrey John Wolf v Blaz Kavcic [268] Retired
Challenger - Hamburg 10/29 13:00 26 [123] Jeffrey John Wolf v Roman Safiullin [184] 6-7,4-6
Challenger - Hamburg 10/27 10:00 25 [123] Jeffrey John Wolf v Matthias Bachinger [280] 6-4,6-3
Challenger - Hamburg 10/27 09:00 25 Jeffrey John Wolf v Martin Klizan Cancelled
ATP - Koln 2 10/17 11:15 64 [123] Jeffrey John Wolf v Alexei Popyrin [108] 3-6,6-4,3-6
ATP - St Petersburg 10/13 12:00 25 [123] Jeffrey John Wolf v Milos Raonic [21] 6-7,1-6

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.