Germany
16.03.98, 27 years
275300 $
16.03.98, 27 years
275300 $
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
06.12.03, 21 years
06.12.03, 21 years
Constantin Frantzen vs. Grant Lothringer - head to head matches
| 17.10.22 | q 1 | Constantin Frantzen | Grant Lothringer | 6-4, 6-4 | match details |  M25 Harlingen | Hard |
Constantin Frantzen form & Grant Lothringer form
Constantin Frantzen - last matches
 Augsburg Challenger - Clay | ||||
| 20.08.23 q 1 | vs. Daniel Masur | 3-6, 4-6 |  | match details |
 Drummondville Challenger - I. hard | ||||
| 15.11.22 1st round | vs. Roko Horvat | 6-73, 1-6 | | match details |
| 14.11.22 qual. | vs. Roy Smith | 6-76, 6-76 | | match details |
| 13.11.22 q 1 | vs. Omni Kumar | 2-6, 7-5, 7-5 |  | match details |
| M25 Harlingen - Hard | ||||
| 18.10.22 qual. | vs. Drew Van Orderlain | 3-6, 4-6 | | match details |
| 17.10.22 q 1 | vs. Grant Lothringer | 6-4, 6-4 | | match details |
| Columbus 2 - I. hard | ||||
| 18.09.22 q 1 | vs. James Kent Trotter | 0-6, 2-6 | | match details |
| M25 Marburg - Clay | ||||
| 07.07.22 2nd round | vs. Milan Welte | 6-3, 5-7, 1-6 | | match details |
| 06.07.22 1st round | vs. Taym Alazmeh | 7-69, 6-1 | | match details |
| 05.07.22 qual. | vs. Milan Welte | 6-4, 3-6, 10-5 | | match details |
| 04.07.22 q 1 | vs. Daniel Siniakov | 6-4, 6-3 | | match details |
 M25 Arlon - Clay | ||||
| 22.06.22 1st round | vs. Alexander Hoogmartens | 4-6, 1-6 | | match details |
| 21.06.22 qual. | vs. Tim Sandkaulen | 1-6, 6-4, 10-8 | | match details |
| 20.06.22 q 1 | vs. Victor Ernaelsteen | 6-3, 6-2 | | match details |
| M15 Meerbusch - Clay | ||||
| 02.05.22 q 2 | vs. Marco De Rossi | 3-6, 2-6 | | match details |
| 01.05.22 q 1 | vs. Mihailo Kecojevic | 6-3, 6-3 | | match details |
 M25 Split - Clay | ||||
| 25.04.22 q 2 | vs. Drazen Petrovic | 4-6, 5-7 | | match details |
| 24.04.22 q 1 | vs. Roko Stipetic | 7-5, 6-2 | | match details |
 M15 Monastir - Hard | ||||
| 06.04.22 1st round | vs. Szymon Kielan | 3-6, 5-7 | | match details |
| 04.04.22 q 2 | vs. Matthew Stubbings | 6-1, 6-2 | | match details |
| 04.04.22 qual. | vs. Jakub Katuch | 6-3, 6-0 | | match details |
| M15 Monastir - Hard | ||||
| 27.03.22 q 1 | vs. Pol Wattanakul | 6-71, 7-5, 8-10 | | match details |
| M15 Monastir - Hard | ||||
| 23.03.22 q 2 | vs. Louis Herman | 2-6, 1-6 | | match details |
| 20.03.22 q 1 | vs. Alexandre Aubriot | 6-3, 6-3 | | match details |
 M25 Trimbach - Carpet | ||||
| 17.03.22 2nd round | vs. Johannes Haerteis | 3-6, 7-62, 2-6 | | match details |
| 16.03.22 1st round | vs. Leonardo Taddia | 6-4, 7-5 | | match details |
| 15.03.22 qual. | vs. Laurin Aerne | 3-6, 7-61, 12-10 | | match details |
| 14.03.22 q 1 | vs. Jasin Jakupi | 6-3, 6-3 | | match details |
 M25 Glasgow - I. hard | ||||
| 17.02.22 2nd round | vs. Anton Matusevich | 4-6, 2-6 | | match details |
| 15.02.22 1st round | vs. Felix Gill | 6-75, 6-4, 6-0 | | match details |
Grant Lothringer - last matches
| M25 Austin - Hard | ||||
| 18.11.24 q 1 | vs. Ethan Silva | 3-6, 0-6 | | match details |
| M25 Harlingen - Hard | ||||
| 16.10.24 1st round | vs. Jacob Brumm | 6-74, 3-6 | | match details |
| 15.10.24 qual. | vs. Avery Zavala | 7-5, 6-2 | | match details |
| 14.10.24 q 1 | vs. Jacob Israel Ramos Vasquez | 7-69, 6-2 | | match details |
| M25 Austin - Hard | ||||
| 06.11.23 q 2 | vs. Tadeas Paroulek | 1-6, 2-6 | | match details |
| 05.11.23 q 1 | vs. Francisco Oliveira | 7-69, 6-1 | | match details |
| M25 Harlingen - Hard | ||||
| 24.10.23 qual. | vs. Ivan Marrero Curbelo | 1-6, 2-6 | | match details |
| 23.10.23 q 1 | vs. Meecah Bigun | 7-5, 6-2 | | match details |
| M25 Harlingen - Hard | ||||
| 17.10.22 q 1 | vs. Constantin Frantzen | 4-6, 4-6 | | match details |
