Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Canada
26.02.91, 34 years
26.02.91, 34 years
Hunter Callahan vs. Zachary White - head to head matches
| 24.06.13 | q 2 | Hunter Callahan | Zachary White | 3-6, 6-4, 6-1 | match details |  USA F17 | Clay |
Hunter Callahan form & Zachary White form
Hunter Callahan - last matches
| USA F18 - Clay | ||||
| 27.06.18 1st round | vs. Juan Alejandro Hernandez | 2-6, 2-6 |  | match details |
| USA F39 - I. hard | ||||
| 29.11.17 2nd round | vs. Ryan Shane | 6-73, 2-6 | | match details |
| 28.11.17 1st round | vs. Samm Butler | 6-4, 6-4 |  | match details |
| USA F38 - I. hard | ||||
| 23.11.17 2nd round | vs. Alexander Sarkissian | 2-6, 5-7 | | match details |
| 22.11.17 1st round | vs. Vidit Vaghela | 6-4, 6-3 | | match details |
| Champaign Challenger - I. hard | ||||
| 12.11.17 q 2 | vs. Alex Lawson | 4-6, 7-5, 1-6 | | match details |
| 11.11.17 q 1 | vs. Neil Pauffley | 7-65, 6-2 | | match details |
 Thailand F9 - I. hard | ||||
| 18.10.17 2nd round | vs. Ching-Mou Yu | 3-6, 1-6 | | match details |
| 15.10.17 1st round | vs. Punnakrit Kritakara | 7-5, 7-5 | | match details |
| Thailand F8 - Hard | ||||
| 09.10.17 q 2 | vs. Phongsapak Kerdlaphee | 3-6, 7-5, 5-7 | | match details |
| Thailand F7 - Hard | ||||
| 03.10.17 1st round | vs. Kento Takeuchi | 3-6, 4-6 | | match details |
| USA F31 - Hard | ||||
| 22.09.17 1/4 | vs. Henry Craig | 3-6, 6-1, 3-6 | | match details |
| 21.09.17 2nd round | vs. Jacob Bullard | 4-0, Jacob Bullard - retired | | match details |
| 19.09.17 1st round | vs. Matias Franco Descotte | 6-3, 6-4 | | match details |
| USA F30 - Hard | ||||
| 13.09.17 1st round | vs. Laurens Verboven | 6-78, 6-4, 4-6 | | match details |
 Canada F5 - Hard | ||||
| 31.08.17 2nd round | vs. Ante Pavic | 6-76, 4-6 | | match details |
| 29.08.17 1st round | vs. Alexander Day | 6-4, 6-3 | | match details |
| USA F27 - Hard | ||||
| 12.08.17 1/2 | vs. Or Ram-Harel | 3-6, 6-1, 3-6 | | match details |
| 11.08.17 1/4 | vs. Alfredo Perez | 3-6, 6-1, 6-4 | | match details |
| 10.08.17 2nd round | vs. Alex Rybakov | 7-5, 7-5 | | match details |
| 08.08.17 1st round | vs. Eric James Johnson | 6-4, 6-2 | | match details |
| USA F26 - Hard | ||||
| 04.08.17 2nd round | vs. Aziz Dougaz | 4-6, 4-6 | | match details |
| 02.08.17 1st round | vs. David Nguyen | 4-6, 6-1, 7-64 | | match details |
| USA F25 - Hard | ||||
| 24.07.17 1st round | vs. Sam Riffice | 5-7, 3-6 | | match details |
| USA F24 - Hard | ||||
| 18.07.17 1st round | vs. Harrison Adams | 3-6, 7-5, 3-6 | | match details |
| USA F22 - Clay | ||||
| 29.06.17 2nd round | vs. Gonzalo Lama | 6-4, 6-73, 4-6 | | match details |
| 28.06.17 1st round | vs. Strong Kirchheimer | 6-3, 6-1 | | match details |
| USA F20 - Clay | ||||
| 20.06.17 1st round | vs. Gonzalo Lama | 4-6, 6-0, 6-75 | | match details |
| USA F18 - Clay | ||||
| 15.06.17 2nd round | vs. Kaichi Uchida | 3-6, 4-6 | | match details |
| 14.06.17 1st round | vs. Alexandru Gozun | 6-1, 7-64 | | match details |
Zachary White - last matches
| USA F19 - Clay | ||||
| 30.06.14 q 1 | vs. A.j. Catanzariti | 6-74, 7-64, 2-6 | | match details |
| USA F18 - Clay | ||||
| 23.06.14 q 1 | vs. Matthew Kandath | 2-6, 6-1, 7-5 | | match details |
| 23.06.14 1st round | vs. Liam Broady | 3-6, 2-6 | | match details |
| 23.06.14 q 2 | vs. Justin Lunn | 6-2, 6-2 | | match details |
| 23.06.14 qual. | vs. Brian Battistone | 3-6, 6-77 | | match details |
| USA F16 - Clay | ||||
| 16.06.14 q 1 | vs. Catalin Mateas | 4-6, 4-6 | | match details |
| USA F31 - Clay | ||||
| 11.11.13 | vs. Erroll Lawrence | 6-2, 6-1 | | match details |
| 11.11.13 q 2 | vs. Roberto Cid Subervi | 4-6, 1-6 | | match details |
| 11.11.13 q 1 | vs. Brandon Weston | 6-2, 6-2 | | match details |
| USA F30 - Clay | ||||
| 04.11.13 | vs. Mark Oljaca | 6-3, 6-0 | | match details |
| 04.11.13 q 1 | vs. Sebastian Tabbia | 1-6, 6-75 | | match details |
| USA F29 - Clay | ||||
| 28.10.13 q 1 | vs. Florian Lakat | 6-2, 3-6, 4-6 | | match details |
| 28.10.13 | vs. Yunqian Zhou | 6-1, 6-3 | | match details |
| USA F28 - Clay | ||||
| 21.10.13 q 1 | vs. James Mcavoy | 6-2, 6-2 | | match details |
| 21.10.13 q 2 | vs. Blaze M Schwartz | 6-3, 3-6, 6-4 | | match details |
| 21.10.13 qual. | vs. Jordan Angus | 6-4, 6-3 | | match details |
| 21.10.13 1st round | vs. Romain Arneodo | 0-6, 4-6 | | match details |
| USA F27 - Hard | ||||
| 14.10.13 q 1 | vs. Sindre Hellesmark | 6-0, 6-0 | | match details |
| 14.10.13 q 2 | vs. Christopher G Haworth | 6-2, 6-0 | | match details |
| 14.10.13 qual. | vs. Julian Lenz | 4-6, 5-7 | | match details |
| Canada F9 - I. hard | ||||
| 16.09.13 2nd round | vs. Andrew Carter | 6-3, 5-7, 1-6 | | match details |
| 16.09.13 1st round | vs. Kyle Stoker | 6-4, 7-5 | | match details |
| Canada F8 - Hard | ||||
| 09.09.13 q 2 | vs. Collin Johns | 3-6, 7-61, 6-3 | | match details |
| 09.09.13 qual. | vs. Haig Schneiderman | 2-6, 4-6 | | match details |
| 09.09.13 q 1 | vs. Saman Javaheryan | 6-0, 6-0 | | match details |
| Canada F7 - Clay | ||||
| 02.09.13 q 2 | vs. Raheel Manji | 2-5, - Zachary White - retired | | match details |
| Granby Challenger - Hard | ||||
| 13.07.13 q 1 | vs. Nikolai Haessig | 7-65, 3-6, 0-6 | | match details |
| USA F17 - Clay | ||||
| 24.06.13 q 2 | vs. Hunter Callahan | 6-3, 4-6, 1-6 | | match details |
| 24.06.13 q 1 | vs. Viju George | 2-6, 6-1, 6-2 | | match details |
| USA F16 - Clay | ||||
| 17.06.13 | vs. Evan Bechtel | 6-0, 6-3 | | match details |