Istanbul challenger 2021 (Turkey)
(132,280 €, indoors, men)
| Start | Round | S | 1 | 2 | 3 | 4 | 5 | H | A | ||
| 24.01. 11:35 |
F | Rinderknech | 2 | 4 | 7 | 7 | 1.71 | 2.08 | info | ||
| Bonzi | 1 | 6 | 61 | 63 | |||||||
| 23.01. 11:20 |
SF | Rinderknech | 2 | 7 | 6 | 1.26 | 3.71 | info | |||
| Kovalik (7) | 0 | 5 | 4 | ||||||||
| 23.01. 09:05 |
SF | Bonzi | 2 | 7 | 6 | 1.35 | 3.08 | info | |||
| Safwat | 0 | 61 | 4 | ||||||||
| 22.01. 11:45 |
QF | Kovalik (7) | 2 | 65 | 6 | 7 | 1.72 | 2.07 | info | ||
| Kirkin | 1 | 7 | 0 | 63 | |||||||
| 22.01. 10:05 |
QF | Rinderknech | 2 | 7 | 6 | 1.64 | 2.19 | info | |||
| Huesler | 0 | 5 | 3 | ||||||||
| 22.01. 09:05 |
QF | Safwat | 1 | 1.71 | 2.06 | info | |||||
| Soeda (8) | 0 | ||||||||||
| 22.01. 09:05 |
QF | Bonzi | 2 | 65 | 6 | 7 | 1.82 | 1.92 | info | ||
| Hoang (3) | 1 | 7 | 1 | 5 | |||||||
| 21.01. 09:55 |
R16 | Rinderknech | 2 | 67 | 6 | 6 | 2.09 | 1.69 | info | ||
| Nakashima | 1 | 7 | 1 | 4 | |||||||
| 21.01. 09:20 |
R16 | Huesler | 2 | 7 | 6 | 1.31 | 3.32 | info | |||
| Bagnis (4) | 0 | 5 | 2 | ||||||||
| 21.01. 08:10 |
R16 | Hoang (3) | 2 | 6 | 6 | 1.39 | 2.89 | info | |||
| Giustino | 0 | 4 | 4 | ||||||||
| 21.01. 08:10 |
R16 | Bonzi | 2 | 6 | 6 | 2.57 | 1.47 | info | |||
| Musetti (6) | 0 | 1 | 4 | ||||||||
| 20.01. 12:50 |
R16 | Safwat | 2 | 7 | 7 | 1.72 | 2.07 | info | |||
| Gaio | 0 | 64 | 5 | ||||||||
| 20.01. 11:35 |
R16 | Kirkin | 2 | 6 | 7 | 2.59 | 1.46 | info | |||
| Menezes | 0 | 2 | 65 | ||||||||
| 20.01. 09:55 |
R16 | Soeda (8) | 2 | 7 | 4 | 7 | 2.15 | 1.66 | info | ||
| Griekspoor | 1 | 5 | 6 | 62 | |||||||
| 20.01. 08:10 |
R16 | Kovalik (7) | 2 | 7 | 6 | 2.27 | 1.59 | info | |||
| Taberner | 0 | 64 | 0 | ||||||||
| 20.01. 10:00 |
1R | Bagnis (4) | 2 | 6 | 6 | 3.31 | 1.30 | info | |||
| Zhang | 0 | 4 | 1 | ||||||||
| 20.01. 08:10 |
1R | Huesler | 2 | 2 | 6 | 6 | 1.29 | 3.41 | info | ||
| Istomin | 1 | 6 | 2 | 4 | |||||||
| 19.01. 12:30 |
1R | Gaio | 2 | 6 | 7 | 2.11 | 1.68 | info | |||
| Clarke | 0 | 3 | 5 | ||||||||
| 19.01. 12:25 |
1R | Nakashima | 2 | 3 | 6 | 6 | 1.18 | 4.49 | info | ||
| Ilkel | 1 | 6 | 4 | 3 | |||||||
| 19.01. 11:05 |
1R | Rinderknech | 1 | 6 | 3 | 1.42 | 2.72 | info | |||
| Gunneswaran (5) | 0 | 4 | 2 | ||||||||
| 19.01. 10:45 |
1R | Griekspoor | 2 | 6 | 7 | 1.78 | 1.96 | info | |||
| Rosol | 0 | 4 | 63 | ||||||||
| 19.01. 09:50 |
1R | Bonzi | 1 | 6 | 2 | 1.86 | 1.88 | info | |||
| Rola | 0 | 4 | 1 | ||||||||
| 19.01. 08:05 |
1R | Hoang (3) | 2 | 63 | 6 | 6 | 1.29 | 3.41 | info | ||
| Gomez | 1 | 7 | 2 | 4 | |||||||
| 19.01. 08:05 |
1R | Menezes | 2 | 7 | 6 | 2.43 | 1.52 | info | |||
| Galan (1) | 0 | 65 | 3 | ||||||||
| 18.01. 16:25 |
1R | Safwat | 2 | 6 | 6 | 2.26 | 1.60 | info | |||
| Seyboth Wild (2) | 0 | 4 | 1 | ||||||||
| 18.01. 16:20 |
1R | Kovalik (7) | 2 | 7 | 2 | 6 | 2.18 | 1.63 | info | ||
| Celikbilek | 1 | 5 | 6 | 4 | |||||||
| 18.01. 14:40 |
1R | Taberner | 2 | 6 | 6 | 2.39 | 1.53 | info | |||
| Zapata Miralles | 0 | 4 | 2 | ||||||||
| 18.01. 14:30 |
1R | Musetti (6) | 2 | 6 | 7 | 1.36 | 3.00 | info | |||
| Petrovic | 0 | 4 | 66 | ||||||||
| 18.01. 13:10 |
1R | Soeda (8) | 2 | 6 | 6 | 1.83 | 1.90 | info | |||
| Tabilo | 0 | 3 | 3 | ||||||||
| 18.01. 12:30 |
1R | Giustino | 2 | 7 | 7 | 1.35 | 3.03 | info | |||
| Giannessi | 0 | 5 | 65 | ||||||||
| 18.01. 11:35 |
1R | Kirkin | 2 | 6 | 6 | 1.91 | 1.83 | info | |||
| Lorenzi | 0 | 4 | 2 |

1. round
Galan [1]
Menezes [Q]
Kirkin [WC]
Celikbilek [WC]
Kovalik [7]
Bagnis [4]
Istomin [LL]
Ilkel [WC]
Rinderknech [Q]
Gunneswaran [5]
Musetti [6]
Hoang [3]
Soeda [8]
Rosol [Q]
Clarke [Q]
Seyboth Wild [2]
round of 16
Menezes [Q]
Kirkin [WC]
Kovalik [7]
Bagnis [4]
Rinderknech [Q]
Musetti [6]
Hoang [3]
Soeda [8]
quarterfinal
Kirkin [WC]
Kovalik [7]
Rinderknech [Q]
Hoang [3]
Soeda [8]
semifinal
Kovalik [7]
Rinderknech [Q]
final
Rinderknech [Q]
Rinderknech [Q]
- Tournament details
| Round | Prize money | Ranking points |
| 1. round | 1,320 € | 0 |
| round of 16 | 2,180 € | 10 |
| quarterfinal | 3,710 € | 25 |
| semifinal | 6,370 € | 45 |
| final | 10,770 € | 75 |
| winner | 18,290 € | 125 |
This week's tournaments
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| Daytona Beach ITF | 8 | |||
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| UTR Pro Match Series | 119 | |||
| UTR Pro Tennis Series | 70 | |||
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