USA
02.12.99, 19 years
02.12.99, 19 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
Spain
16.11.01, 17 years
16.11.01, 17 years
Lukas Greif vs. Joaquin Caballer - head to head matches
| 04.12.17 | q 2 | Lukas Greif | Joaquin Caballer | 6-2, 6-1 | match details |  Dominican Republic | Hard |
Lukas Greif - last matches
 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 Hernandez Serrano | 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 qual. | vs. Collin Johns | 4-6, 6-4, 2-0, Collin Johns - retired | | 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 |
| 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 q 2 | vs. Victor Gurevich | 6-0, 6-1 | | match details |
| 27.11.17 qual. | vs. Jonathan Chang | 3-6, 6-4, 6-0 | | match details |
| USA F38 - I. hard | ||||
| 21.11.17 1st round | vs. Alexander Ward | 1-6, 5-7 | | match details |
| 20.11.17 q 1 | vs. Parth Aggarwal | 6-1, 6-1 | | match details |
| 20.11.17 qual. | vs. Riley H. Reist | 1-6, 6-2, 6-3 | | match details |
| USA F35 - Clay | ||||
| 30.10.17 | vs. Hunter Harrison | 6-4, 6-0 | | match details |
| 30.10.17 q 1 | vs. Ansel Bivens | 4-6, 4-6 | | 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 |
| 25.07.17 1st round | vs. Ryan Shane | 6-3, 6-3 | | match details |
| 24.07.17 q 1 | vs. Perry Gregg | 6-3, 6-2 | | match details |
| 24.07.17 q 2 | vs. David Nguyen | 7-5, 6-3 | | match details |
| 24.07.17 qual. | vs. Caleb Chakravarthi | 7-63, 6-4 | | match details |
 Wimbledon (juniors) - Grass | ||||
| 10.07.17 1st round | vs. Dan Added | 7-5, 5-7, 2-6 | | match details |
| USA F8 - Clay | ||||
| 20.02.17 qual. | vs. Ricardo Rodriguez-Pace | 1-6, 3-6 | | match details |
| 20.02.17 q 1 | vs. Alon Elia | 6-2, 6-0 | | match details |
Joaquin Caballer - last matches
| Dominican Republic - Hard | ||||
| 11.12.17 q 1 | vs. Michael-Ray Pallares-Gonzalez | 3-6, 3-6 | | match details |
| Dominican Republic - Hard | ||||
| 04.12.17 q 2 | vs. Lukas Greif | 2-6, 1-6 | | match details |
| 04.12.17 q 1 | vs. Daniel De La Cruz | 7-5, 6-3 | | match details |
| Dominican Republic - Hard | ||||
| 28.11.17 1st round | vs. Emmett Ward | 6-1, 3-6, 0-6 | | match details |
| Santo Domingo - Clay | ||||
| 12.08.17 q 1 | vs. Emilio Gomez | 1-6, 2-6 | | match details |
| Dominican Republic - Hard | ||||
| 12.12.16 q 1 | vs. Kris Barnes | 2-6, 0-6 | | match details |
| Dominican Republic - Clay | ||||
| 05.12.16 q 1 | vs. Robert Scheuing | 7-5, 6-2 | | match details |
| 05.12.16 q 2 | vs. Charles Force | 2-6, 1-6 | | match details |
| Dominican Republic - Clay | ||||
| 28.11.16 qual. | vs. Adriano Quinti | 1-6, 1-6 | | match details |
| 28.11.16 q 2 | vs. Yohandri Perez Garcia | 6-2, 6-3 | | match details |