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
USA
30.03.01, 23 years
30.03.01, 23 years
Zachary Svajda vs. Leighton Allen - head to head matches
| 21.10.19 | q 2 | Zachary Svajda | Leighton Allen | 6-4, 4-6, 10-6 | match details |  M25 Fort | Hard |
Zachary Svajda form & Leighton Allen form
Zachary Svajda - last matches
 Acapulco Challenger - Hard | ||||
| 18.04.24 1/4 | vs. Maxime Cressy | Maxime Cressy - walk over |  | match details |
| 17.04.24 2nd round | vs. Goncalo Oliveira | 6-4, 7-5 | | match details |
| 16.04.24 1st round | vs. Andre Ilagan | 6-3, 6-2 | | match details |
| Cuernavaca Challenger - Hard | ||||
| 09.04.24 1st round | vs. Nicolas Mejia | 6-0, 3-6, 0-6 |  | match details |
| Miami - Hard | ||||
| 18.03.24 q 1 | vs. Diego Sebastian Schwartzman | 3-6, 6-76 | | match details |
| Phoenix Challenger - Hard | ||||
| 14.03.24 2nd round | vs. Terence Atmane | 5-7, 6-2, 3-6 | | match details |
| 13.03.24 1st round | vs. Mitchell Krueger | 6-3, 7-5 | | match details |
| 12.03.24 qual. | vs. Elias Ymer | 6-2, 6-4 | | match details |
| 11.03.24 q 1 | vs. Andrey Kuznetsov | 6-2, 6-2 | | match details |
| Indian Wells - Hard | ||||
| 05.03.24 qual. | vs. Lukas Klein | 4-6, 7-66, 3-6 | | match details |
| 04.03.24 q 1 | vs. Duje Ajdukovic | 2-6, 6-2, 6-0 | | match details |
| Acapulco - Hard | ||||
| 25.02.24 qual. | vs. Terence Atmane | 6-1, 3-6, 3-6 | | match details |
| 24.02.24 q 1 | vs. James Duckworth | 6-3, 1-1, James Duckworth - retired | | match details |
| Los Cabos - Hard | ||||
| 18.02.24 qual. | vs. Aleksandar Kovacevic | 4-6, 4-6 | | match details |
| 17.02.24 q 1 | vs. Guido Andreozzi | 6-0, 6-1 | | match details |
| Delray Beach - Hard | ||||
| 15.02.24 2nd round | vs. Flavio Cobolli | 4-6, 7-61, 2-6 | | match details |
| 13.02.24 1st round | vs. Max Purcell | 7-5, 6-3 | | match details |
| 11.02.24 qual. | vs. Gabriel Diallo | 6-4, 4-6, 6-3 | | match details |
| 10.02.24 q 1 | vs. Ethan Quinn | 6-3, 6-3 | | match details |
| Dallas - I. hard | ||||
| 06.02.24 1st round | vs. James Duckworth | 6-73, 1-6 | | match details |
| Cleveland Challenger - I. hard | ||||
| 30.01.24 1st round | vs. James Kent Trotter | 6-4, 3-6, 6-71 | | match details |
| Indian Wells - Hard | ||||
| 28.01.24 fin | vs. Blaise Bicknell | 3-6, 2-6 | | match details |
| 27.01.24 1/2 | vs. Sebastian Fanselow | 6-2, 6-4 | | match details |
| 26.01.24 1/4 | vs. Bor Artnak | 6-2, 3-6, 6-0 | | match details |
| 25.01.24 2nd round | vs. Strong Kirchheimer | 6-2, 6-1 | | match details |
| 23.01.24 1st round | vs. Gabriel Debru | 6-4, 6-1 | | match details |
 Melbourne - Hard | ||||
| 11.01.24 q 2 | vs. Omar Jasika | 5-7, 6-4, 2-6 | | match details |
| 10.01.24 q 1 | vs. Alexander Blockx | 4-6, 6-3, 6-4 | | match details |
| Canberra Challenger - Hard | ||||
| 02.01.24 1st round | vs. Dominik Koepfer | 2-6, 4-6 | | match details |
| Knoxville Challenger - I. hard | ||||
| 10.11.23 1/4 | vs. Emilio Nava | 4-6, 4-6 | | match details |
Leighton Allen - last matches
| M25 Las - Hard | ||||
| 03.03.20 q 1 | vs. Alessandro-Damiano Ventre | 6-4, 4-6, 7-10 | | match details |
| M15 Cancun - Hard | ||||
| 04.02.20 q 2 | vs. Luis Patino | 7-5, 4-6, 6-10 | | match details |
| 03.02.20 q 1 | vs. Nikola Samardzic | 6-2, 6-2 | | match details |
| M15 Cancun - Hard | ||||
| 27.01.20 q 1 | vs. Luis Patino | 7-5, 3-6, 5-10 | | match details |
| M15 Austin - Hard | ||||
| 21.11.19 2nd round | vs. Siem Woldeab | 3-6, 1-6 | | match details |
| 20.11.19 1st round | vs. Finn Bass | 6-2, 5-7, 6-4 | | match details |
| 19.11.19 qual. | vs. Adrian Oetzbach | 4-6, 6-2, 10-5 | | match details |
| 18.11.19 q 1 | vs. Eshan Talluri | 6-2, 6-3 | | match details |
| M25 Fort - Hard | ||||
| 21.10.19 q 2 | vs. Zachary Svajda | 4-6, 6-4, 6-10 | | match details |
| 20.10.19 q 1 | vs. Patrick Whaling | 6-2, 6-2 | | match details |
| M25 Norman - Hard | ||||
| 02.10.19 1st round | vs. Eero Vasa | 5-7, 1-6 | | match details |
| M25 Harlingen - Hard | ||||
| 23.09.19 q 2 | vs. Adrian Andreev | 2-6, 2-6 | | match details |
| 22.09.19 q 1 | vs. Kyle Overmyer | 6-0, 6-1 | | match details |
| U.S. Open - Hard | ||||
| 02.09.19 1st round | vs. Valentin Royer | 3-6, 6-76 | | match details |
| M15 Norman - Hard | ||||
| 08.07.19 qual. | vs. Andrew Fenty | 6-74, 2-6 | | match details |
| M15 Pittsburgh - Clay | ||||
| 03.07.19 1st round | vs. Luke Phillips | 5-7, 3-6 | | match details |
| 02.07.19 qual. | vs. Darryl Hale | 6-4, 6-3 | | match details |
| 01.07.19 q 1 | vs. Maxwell Giddens | 6-4, 0-6, 10-8 | | match details |
| M25 Tulsa - Hard | ||||
| 17.06.19 q 1 | vs. George Goldhoff | 2-6, 2-6 | | match details |
| M25 Wichita - Hard | ||||
| 10.06.19 q 1 | vs. Kareem Allaf | 1-6, 1-6 | | match details |
| M25 Pensacola - Clay | ||||
| 06.05.19 q 1 | vs. Adrian Andreev | 4-6, 0-6 | | match details |
| USA F28b - Hard | ||||
| 21.10.18 q 2 | vs. Alastair Gray | 3-6, 6-75 | | match details |
| 20.10.18 q 1 | vs. Varun Luthra | 6-0, 6-0 | | match details |
| USA F17 - Hard | ||||
| 26.06.18 q 2 | vs. Alexander Cozbinov | 3-6, 6-76 | | match details |
| 24.06.18 q 1 | vs. Joshua Bortnick | 6-0, 6-1 | | match details |
| USA F13 - Hard | ||||
| 11.06.18 q 2 | vs. Ezekiel Clark | 4-6, 6-4, 2-6 | | match details |
| 10.06.18 q 1 | vs. Conner Mcmann | 6-3, 6-1 | | match details |
| USA F12 - Clay | ||||
| 21.04.18 | vs. Jared Pratt | 1-6, 1-6 | | match details |