Jeffrey John Wolf
| ATP Miami | 03/24 17:25 | 23 | [69] Daniel Altmaier v Jeffrey John Wolf [167] | 4-6,4-6 | |
| ATP Miami | 03/22 20:10 | 19 | [167] Jeffrey John Wolf v Dmitry Popko [175] | 6-4,6-4 | |
| ATP Miami | 03/21 19:35 | 14 | [114] Sam Querrey v Jeffrey John Wolf [209] | 4-6,3-6 | |
| Challenger Phoenix | 03/19 19:00 | 28 | [102] Denis Kudla v Jeffrey John Wolf [209] | 6-7,6-4,7-6 | |
| Challenger Phoenix | 03/18 20:45 | 27 | [150] Fernando Verdasco v Jeffrey John Wolf [209] | 5-7,4-6 | |
| Challenger Phoenix | 03/17 19:05 | 26 | [209] Jeffrey John Wolf v Lorenzo Musetti [56] | 6-3,6-2 | |
| Challenger Phoenix | 03/16 17:00 | 25 | [209] Jeffrey John Wolf v Max Purcell [163] | 6-1,6-3 | |
| ATP Indian Wells | 03/12 19:00 | 24 | [209] Jeffrey John Wolf v Roberto Bautista-Agut [15] | 3-6,7-6,6-7 | |
| ATP Indian Wells | 03/10 23:50 | 23 | [209] Jeffrey John Wolf v Hugo Gaston [68] | 7-5,6-4 | |
| ATP Indian Wells | 03/09 22:00 | 19 | [103] Daniel Elahi Galan v Jeffrey John Wolf [209] | 6-7,2-6 | |
| ATP Indian Wells | 03/09 01:10 | 14 | [209] Jeffrey John Wolf v Emilio Gomez [141] | 6-1,6-3 | |
| ATP Acapulco | 02/24 04:00 | 26 | [209] Jeffrey John Wolf v Stefanos Tsitsipas [4] | 1-6,0-6 | |
| ATP Acapulco | 02/23 03:50 | 25 | [209] Jeffrey John Wolf v Lorenzo Sonego [21] | 3-6,7-6,6-2 | |
| ATP Acapulco | 02/21 00:00 | 19 | [93] Kevin Anderson v Jeffrey John Wolf [216] | 7-6,4-6,3-6 | |
| ATP Acapulco | 02/20 02:35 | 14 | Jeffrey John Wolf v Andreas Seppi | 6-4,6-2 | |
| ATP Delray Beach | 02/12 20:00 | 14 | [135] Ernesto Escobedo v Jeffrey John Wolf [213] | 6-4,7-6 | |
| ATP Dallas | 02/06 19:00 | 14 | [205] Jeffrey John Wolf v Christopher Eubanks [171] | 7-6,2-6,4-6 | |
| Challenger Cleveland | 02/01 16:55 | 25 | [205] Jeffrey John Wolf v Liam Broady [124] | 4-6,1-6 | |
| Challenger Columbus | 01/26 19:15 | 26 | [119] Yoshihito Nishioka v Jeffrey John Wolf [210] | 6-2,2-6,6-4 | |
| Challenger Columbus | 01/25 20:00 | 25 | Jeffrey John Wolf v Jack Anthrop | 6-0,6-3 | |
| Australian Open | 01/13 02:15 | 15 | [127] Liam Broady v Jeffrey John Wolf [210] | 3-6,6-4,6-4 | |
| Australian Open | 01/11 04:20 | 14 | [210] Jeffrey John Wolf v Sergiy Stakhovsky [220] | 6-3,6-4 | |
| Challenger Traralgon | 01/06 04:25 | 26 | [226] Jesper De Jong v Jeffrey John Wolf [174] | 7-6,7-6 | |
| Challenger Traralgon | 01/05 03:30 | 25 | [247] Go Soeda v Jeffrey John Wolf [174] | 2-6,6-4,4-6 | |
| Challenger Champaign | 11/20 20:35 | 28 | [184] Jeffrey John Wolf v Stefan Kozlov [187] | 2-6,3-6 | |
| Challenger Champaign | 11/19 18:25 | 27 | [491] Vasil Kirkov v Jeffrey John Wolf [184] | 3-6,2-6 | |
| Challenger Champaign | 11/17 16:00 | 26 | [332] Kaichi Uchida v Jeffrey John Wolf [184] | 3-6,4-6 | |
| 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 |
Wikipedia - Jeffrey John Wolf
Jeffrey John „J. J.” Wolf (ur. 21 grudnia 1998 w Cincinnati) – amerykański tenisista.