USA
02.12.99, 24 years
02.12.99, 24 years
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
29.10.89, 34 years
29.10.89, 34 years
Lukas Greif vs. David Nguyen - head to head matches
| 24.07.17 | q 2 | Lukas Greif | David Nguyen | 7-5, 6-3 | match details |  USA F25 | Hard |
Lukas Greif form & David Nguyen form
Lukas Greif - last matches
| M15 Weston - Clay | ||||
| 30.06.21 q 1 | vs. Cleeve Harper | 5-7, 7-5, 6-10 |  | match details |
| M25 Houston - Hard | ||||
| 20.09.19 1/4 | vs. Austin Rapp | 3-6, 3-6 | | match details |
| 19.09.19 2nd round | vs. Harrison Adams | 6-3, 6-3 |  | match details |
| 18.09.19 1st round | vs. Edoardo Graziani | 6-4, 7-5 | | match details |
| 17.09.19 qual. | vs. Francois Kellerman | 6-3, 6-1 | | match details |
| 16.09.19 q 2 | vs. Eduardo Neftali Irizarry | 6-3, 6-2 | | match details |
| 15.09.19 q 1 | vs. Abraham Asaba | 5-7, 6-4, 10-3 | | match details |
| USA F13 - Hard | ||||
| 10.06.18 q 1 | vs. Matthew Terry | 2-2, - Lukas Greif - retired | | match details |
| USA F12 - Clay | ||||
| 22.04.18 q 1 | vs. Juan Alejandro Hernandez | 1-6, 3-6 | | match details |
| 21.04.18 | vs. Conner Mcmann | 6-3, 6-0 | | match details |
| USA F11 - Clay | ||||
| 16.04.18 qual. | vs. Rowland Phillips | 5-7, 6-70 | | match details |
| 15.04.18 q 1 | vs. Rohan Bansal | 6-0, 6-3 | | match details |
| 15.04.18 q 2 | vs. Joseph Corse | 6-2, 6-0 | | match details |
 Dominican Republic - Hard | ||||
| 08.12.17 1/4 | vs. Carlos Boluda-Purkiss | 4-6, 2-6 | | match details |
| 07.12.17 2nd round | vs. Ivan Endara | 6-1, 7-61 | | match details |
| 05.12.17 1st round | vs. Bernardo Saraiva | 6-2, 6-71, 6-1 | | match details |
| 04.12.17 q 1 | vs. Alec Galicia | 6-0, 6-1 | | match details |
| 04.12.17 q 2 | vs. Joaquin Caballer | 6-2, 6-1 | | match details |
| 04.12.17 qual. | vs. Collin Johns | 4-6, 6-4, 2-0, Collin Johns - retired | | match details |
| Dominican Republic - Hard | ||||
| 29.11.17 2nd round | vs. Collin Johns | 3-6, 2-6 | | match details |
| 28.11.17 1st round | vs. Juan Sebastian Gomez | 6-4, 6-3 | | match details |
| 27.11.17 qual. | vs. Jonathan Chang | 3-6, 6-4, 6-0 | | match details |
| 27.11.17 q 2 | vs. Victor Gurevich | 6-0, 6-1 | | match details |
| USA F38 - I. hard | ||||
| 21.11.17 1st round | vs. Alexander Ward | 1-6, 5-7 | | match details |
| 20.11.17 qual. | vs. Riley H. Reist | 1-6, 6-2, 6-3 | | match details |
| 20.11.17 q 1 | vs. Parth Aggarwal | 6-1, 6-1 | | match details |
| USA F35 - Clay | ||||
| 30.10.17 q 1 | vs. Ansel Bivens | 4-6, 4-6 | | match details |
| 30.10.17 | vs. Hunter Harrison | 6-4, 6-0 | | match details |
| U.S. Open - Hard | ||||
| 03.09.17 1st round | vs. Hugo Gaston | 6-3, 2-6, 1-6 | | match details |
| USA F25 - Hard | ||||
| 26.07.17 2nd round | vs. Ezekiel Clark | 6-73, 7-5, 2-6 | | match details |
David Nguyen - last matches
| USA F26 - Hard | ||||
| 02.08.17 1st round | vs. Hunter Callahan | 6-4, 1-6, 6-74 | | match details |
| 31.07.17 q 2 | vs. Henry Britton | 6-1, 6-1 | | match details |
| 31.07.17 qual. | vs. Jonathan Binding | 7-5, 6-3 | | match details |
| USA F25 - Hard | ||||
| 24.07.17 q 1 | vs. Yates Johnson | 6-4, 7-63 | | match details |
| 24.07.17 q 2 | vs. Lukas Greif | 5-7, 3-6 | | match details |
| USA F24 - Hard | ||||
| 17.07.17 qual. | vs. Gabriel Friedrich | 7-62, 2-6, 1-6 | | match details |
| 17.07.17 q 1 | vs. Emmett Ward | 6-1, 6-3 | | match details |
| 17.07.17 q 2 | vs. Chukwudumebi Smarty | 6-0, 6-1 | | match details |
 Thailand F3 - Hard | ||||
| 21.06.17 2nd round | vs. Clement Larriere | 2-6, 3-6 | | match details |
| 20.06.17 1st round | vs. Natthasith Kunsuwan | 6-1, 6-3 | | match details |
| Thailand F2 - Hard | ||||
| 12.06.17 qual. | vs. Clement Larriere | 6-3, 4-6, 1-6 | | match details |
| 12.06.17 q 2 | vs. Ankit Chopra | 6-4, 6-2 | | match details |
 Singapore F3 - Hard | ||||
| 05.06.17 1st round | vs. Yuichi Ito | 6-71, 2-6 | | match details |
| Singapore F2 - Hard | ||||
| 29.05.17 q 1 | vs. Ethan Kai Xin Lye | 6-4, 6-0 | | match details |
| 29.05.17 qual. | vs. Ken Onoda | 3-6, 2-6 | | match details |
| Singapore F1 - Hard | ||||
| 25.05.17 1st round | vs. Dayne Kelly | 2-6, 4-6 | | match details |
| 22.05.17 qual. | vs. Aryan Goveas | 6-4, 6-3 | | match details |
| 22.05.17 q 1 | vs. Suraj R Prabodh | 6-4, 3-6, 6-3 | | match details |
| Tempe Challenger - Hard | ||||
| 12.02.17 q 2 | vs. Walter Trusendi | 3-6, 6-4, 4-6 | | match details |
| 11.02.17 q 1 | vs. Roy Smith | 6-2, 7-5 | | match details |
 Vietnam F8 - Hard | ||||
| 24.10.16 q 2 | vs. Roy Hobbs | - David Nguyen - walk over | | match details |
| Vietnam F7 - Hard | ||||
| 21.10.16 1/4 | vs. Sang-Woo Noh | 7-66, 0-6, 2-6 | | match details |
| 19.10.16 2nd round | vs. Kento Takeuchi | 7-64, 6-3 | | match details |
| 18.10.16 1st round | vs. Niki Kaliyanda Poonacha | 6-3, 2-6, 6-4 | | match details |
| 17.10.16 qual. | vs. Patrick Davidson | 7-5, 6-2 | | match details |
| 17.10.16 q 1 | vs. Yu Chang | 6-4, 6-2 | | match details |
| Vietnam F6 - Hard | ||||
| 26.09.16 qual. | vs. Ku Keon Kang | 4-6, 1-6 | | match details |
| 26.09.16 q 1 | vs. Yusei Fukuoka | 6-2, 6-0 | | match details |
| 26.09.16 q 2 | vs. Trung Tinh Le | 6-1, 6-1 | | match details |
| Vietnam F5 - Hard | ||||
| 22.09.16 1/4 | vs. Masato Shiga | 3-6, 4-6 | | match details |