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
23.02.06, 19 years
23.02.06, 19 years
Karl Friberg vs. Quang Duong - head to head matches
| 21.02.22 | q 1 | Karl Friberg | Quang Duong | 6-1, 6-1 | match details |  M15 Naples | Clay |
Karl Friberg form & Quang Duong form
Karl Friberg - last matches
 M15 Kalmar - Clay | ||||
| 15.05.24 1st round | vs. Nikos Lehmann | 1-5, - Karl Friberg - retired |  | match details |
| M25 Varnamo - Clay | ||||
| 07.05.24 1st round | vs. Giovanni Calvano | 6-3, 4-6, 3-6 | | match details |
| Davis Cup - I. hard | ||||
| 02.02.24 Rubber 1 | vs. Thiago Moura Monteiro | 3-6, 6-75 | | match details |
 M15 Manacor - Hard | ||||
| 27.01.24 1/2 | vs. Ryan Nijboer | 4-6, 2-6 | | match details |
| 26.01.24 1/4 | vs. Michiel De Krom | 7-65, 6-3 |  | match details |
| 25.01.24 2nd round | vs. Kristjan Tamm | 6-1, 1-6, 6-3 | | match details |
| 24.01.24 1st round | vs. Hayato Matsuoka | 7-62, 5-7, 6-2 | | match details |
 Oeiras 2 - I. hard | ||||
| 07.01.24 q 1 | vs. Samuel Vincent Ruggeri | 3-6, 2-6 | | match details |
| Maia Challenger - Clay | ||||
| 29.11.23 2nd round | vs. Andrea Vavassori | 2-6, 3-6 | | match details |
| 28.11.23 1st round | vs. Sebastian Fanselow | 3-6, 6-3, 6-4 | | match details |
| 27.11.23 qual. | vs. Aleksandr Braynin | 5-7, 6-1, 6-3 | | match details |
| 26.11.23 q 1 | vs. Tiago Pereira | 4-6, 6-3, 6-1 | | match details |
| Danderyd Challenger - I. hard | ||||
| 15.11.23 1st round | vs. Denis Yevseyev | 2-6, 3-6 | | match details |
 M25 Trnava - I. hard | ||||
| 12.11.23 fin | vs. Lukas Pokorny | 6-4, 6-4 | | match details |
| 11.11.23 1/2 | vs. Remy Bertola | 7-5, 6-4 | | match details |
| 10.11.23 1/4 | vs. Matej Vocel | 6-4, 6-2 | | match details |
| 09.11.23 2nd round | vs. Alastair Gray | 1-6, 7-5, 6-3 | | match details |
| 08.11.23 1st round | vs. Aleksandr Braynin | 3-6, 7-64, 6-4 | | match details |
| Stockholm - I. hard | ||||
| 16.10.23 1st round | vs. Miomir Kecmanovic | 4-6, 2-6 | | match details |
 M25 Nevers - I. hard | ||||
| 04.10.23 1st round | vs. Nikolay Vylegzhanin | 4-6, 4-6 | | match details |
| M25 Falun - I. hard | ||||
| 29.09.23 1/2 | vs. Tibo Colson | 5-7, 3-6 | | match details |
| 28.09.23 1/4 | vs. Anton Matusevich | 2-6, 6-4, 6-3 | | match details |
| 27.09.23 2nd round | vs. Yannik Steinegger | 6-4, 6-3 | | match details |
| 26.09.23 1st round | vs. Jack Karlsson Wistrand | 6-3, 7-66 | | match details |
| M15 Danderyd - I. hard | ||||
| 23.09.23 1/2 | vs. Giles Hussey | 5-7, 6-73 | | match details |
| 22.09.23 1/4 | vs. Hamish Stewart | 7-5, 6-3 | | match details |
| 21.09.23 2nd round | vs. Alexander Blockx | 6-4, 6-2 | | match details |
| 20.09.23 1st round | vs. William Rejchtman Vinciguerra | 3-6, 6-2, 6-3 | | match details |
| Cassis Challenger - Hard | ||||
| 04.09.23 qual. | vs. Ramkumar Ramanathan | 3-6, 0-6 | | match details |
| 03.09.23 q 1 | vs. Hugo Cardinaud | 6-3, 6-1 | | match details |
Quang Duong - last matches
| M15 Los - Hard | ||||
| 26.06.22 q 1 | vs. Nicolas Meister (1999) | 4-6, 5-7 | | match details |
| M15 Naples - Clay | ||||
| 21.02.22 q 1 | vs. Karl Friberg | 1-6, 1-6 | | match details |
| M15 Naples - Clay | ||||
| 14.02.22 q 1 | vs. Justin Roberts | 1-6, 2-6 | | match details |
 Australian Open - Hard | ||||
| 22.01.22 1st round | vs. Kilian Feldbausch | 0-6, 3-6 | | match details |
