2021 ATP, Challengers and WTT CoreTennis Stats
The table can be sorted by clicking on the title of the columns (ex: 7-6).
| # | Player | Matches | Wins | Losses | PCT | 6-0 | 0-6 | 7-6 | 6-7 |
| 1 | Juan Pablo Paz(ARG) | 82 | 50 | 32 | 0.610 | 15 | 5 | 10 | 6 |
| 2 | Lorenzo Giustino(ITA) | 48 | 17 | 31 | 0.354 | 0 | 3 | 4 | 6 |
| 3 | Mateus Alves(BRA) | 61 | 30 | 31 | 0.492 | 1 | 0 | 7 | 14 |
| 4 | Nicholas David Ionel(ROU) | 71 | 40 | 31 | 0.563 | 6 | 7 | 7 | 7 |
| 5 | Benoit Paire(FRA) | 44 | 14 | 30 | 0.318 | 0 | 2 | 6 | 8 |
| 6 | Marsel Ilhan(TUR) | 47 | 17 | 30 | 0.362 | 2 | 1 | 5 | 7 |
| 7 | Francesco Vilardo(ITA) | 48 | 18 | 30 | 0.375 | 2 | 5 | 2 | 3 |
| 8 | Gonzalo Oliveira(VEN) | 50 | 20 | 30 | 0.400 | 1 | 2 | 8 | 7 |
| 9 | Nino Serdarusic(CRO) | 51 | 21 | 30 | 0.412 | 3 | 2 | 8 | 11 |
| 10 | Fermin Tenti(ARG) | 54 | 24 | 30 | 0.444 | 5 | 4 | 6 | 8 |
| 11 | Andrej Martin(SVK) | 64 | 34 | 30 | 0.531 | 2 | 3 | 15 | 10 |
| 12 | Andrea Collarini(ARG) | 50 | 21 | 29 | 0.420 | 0 | 1 | 4 | 3 |
| 13 | Riccardo Bonadio(ITA) | 54 | 25 | 29 | 0.463 | 2 | 3 | 6 | 15 |
| 14 | Alexander Bublik(KAZ) | 62 | 33 | 29 | 0.532 | 2 | 3 | 10 | 13 |
| 15 | Federico Gaio(ITA) | 55 | 27 | 28 | 0.491 | 0 | 4 | 14 | 13 |
| 16 | Facundo Juarez(ITA) | 76 | 48 | 28 | 0.632 | 7 | 2 | 12 | 4 |
| 17 | Roberto Quiroz(ECU) | 38 | 11 | 27 | 0.289 | 1 | 2 | 4 | 10 |
| 18 | Roberto Ortega-Olmedo(ESP) | 42 | 15 | 27 | 0.357 | 1 | 3 | 4 | 9 |
| 19 | Jonas Forejtek(CZE) | 42 | 15 | 27 | 0.357 | 0 | 1 | 8 | 5 |
| 20 | Tiago Cacao(POR) | 49 | 22 | 27 | 0.449 | 2 | 4 | 3 | 10 |
| 21 | Jan-Lennard Struff(GER) | 49 | 22 | 27 | 0.449 | 0 | 1 | 12 | 11 |
| 22 | Andrey Chepelev(RUS) | 51 | 24 | 27 | 0.471 | 4 | 3 | 4 | 7 |
| 23 | Felix Corwin(USA) | 56 | 29 | 27 | 0.518 | 6 | 1 | 7 | 9 |
| 24 | Lorenzo Musetti(ITA) | 58 | 31 | 27 | 0.534 | 4 | 3 | 18 | 11 |
| 25 | Nikoloz Basilashvili(GEO) | 60 | 33 | 27 | 0.550 | 1 | 4 | 14 | 6 |
| 26 | Filip Cristian Jianu(ROU) | 61 | 34 | 27 | 0.557 | 4 | 2 | 5 | 11 |
| 27 | Hugo Gaston(FRA) | 68 | 41 | 27 | 0.603 | 7 | 5 | 15 | 10 |
| 28 | Dan Added(FRA) | 69 | 42 | 27 | 0.609 | 6 | 2 | 14 | 12 |
| 29 | Federico Coria(ARG) | 69 | 42 | 27 | 0.609 | 5 | 2 | 12 | 11 |
| 30 | Holger Rune(DEN) | 87 | 60 | 27 | 0.690 | 8 | 4 | 16 | 11 |
| 31 | Aziz Ouakaa(TUN) | 38 | 12 | 26 | 0.316 | 1 | 5 | 5 | 3 |
| 32 | Jay Clarke(GBR) | 43 | 17 | 26 | 0.395 | 4 | 3 | 6 | 11 |
| 33 | Nicolas Mejia(COL) | 44 | 18 | 26 | 0.409 | 1 | 4 | 4 | 8 |
| 34 | Thiago Seyboth Wild(BRA) | 44 | 18 | 26 | 0.409 | 3 | 1 | 4 | 10 |
| 35 | Laslo Djere(SRB) | 49 | 23 | 26 | 0.469 | 2 | 2 | 6 | 11 |
| 36 | Alexis Musialek(FRA) | 49 | 23 | 26 | 0.469 | 3 | 5 | 3 | 5 |
| 37 | Albert Ramos-Vinolas(ESP) | 50 | 24 | 26 | 0.480 | 0 | 2 | 7 | 14 |
| 38 | Rio Noguchi(JPN) | 51 | 25 | 26 | 0.490 | 5 | 0 | 7 | 9 |
| 39 | Timofey Skatov(KAZ) | 53 | 27 | 26 | 0.509 | 1 | 2 | 13 | 7 |
| 40 | Joao Lucas Reis Da Silva(BRA) | 54 | 28 | 26 | 0.519 | 2 | 2 | 7 | 7 |









