Jeffrey John Wolf
| 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 Cologne 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 | |
| ATP St Petersburg | 10/11 12:35 | 164 | [120] Jeffrey John Wolf v Alen Avidzba [470] | 3-6,7-5,6-1 | |
| ATP St Petersburg | 10/10 11:00 | 64 | [120] Jeffrey John Wolf v Alexey Vatutin [235] | 4-6,6-1,6-3 | |
| French Open | 09/21 13:25 | 14 | [120] Jeffrey John Wolf v Roberto Marcora [170] | 4-6,3-6 |
Wikipedia - Jeffrey John Wolf
Jeffrey John „J. J.” Wolf (ur. 21 grudnia 1998 w Cincinnati) – amerykański tenisista.