
Singapore Tennis Open, 2021, ATP 250
| Mannarino, Adrian[1] | [FRA] | |
| Mannarino, Adrian[1] | ||
| Marcora, Roberto | [ITA] | 63 75 |
| Hanfmann, Yannick | [GER] | |
| Albot, Radu[6] | ||
| Albot, Radu[6] | [MDA] | 67(2) 76(7) 63 |
| Bublik, Alexander[4] | [KAZ] | |
| Bublik, Alexander[4] | ||
| Celikbilek, Altug (Q) | [TUR] | 62 62 |
| Cressy, Maxime | [USA] | |
| Nishioka, Yoshihito[5] | ||
| Nishioka, Yoshihito[5] | [JPN] | 64 62 |
| Kwon, Soonwoo[8] | [KOR] | |
| Kwon, Soonwoo[8] | ||
| Uchiyama, Yasutaka | [JPN] | 63 64 |
| Daniel, Taro | [JPN] | |
| Cilic, Marin[3] | ||
| Cilic, Marin[3] | [CRO] | 75 64 |
| Andreev, Adrian (WC) | [BUL] | |
| Popyrin, Alexei | ||
| Popyrin, Alexei | [AUS] | 61 57 63 |
| Ebden, Matthew (WC) | [AUS] | |
| Ebden, Matthew (WC) | ||
| Millman, John[2] | [AUS] | 64 61 |
| Mannarino, Adrian[1] | [FRA] | |
| Albot, Radu[6] | ||
| Albot, Radu[6] | [MDA] | 63 64 |
| Bublik, Alexander[4] | [KAZ] | |
| Bublik, Alexander[4] | ||
| Nishioka, Yoshihito[5] | [JPN] | 63 62 |
| Kwon, Soonwoo[8] | [KOR] | |
| Cilic, Marin[3] | ||
| Cilic, Marin[3] | [CRO] | 62 26 75 |
| Popyrin, Alexei | [AUS] | |
| Popyrin, Alexei | ||
| Ebden, Matthew (WC) | [AUS] | 64 76(7) |
| Albot, Radu[6] | [MDA] | |
| Bublik, Alexander[4] | ||
| Bublik, Alexander[4] | [KAZ] | 26 63 64 |
| Cilic, Marin[3] | [CRO] | |
| Popyrin, Alexei | ||
| Popyrin, Alexei | [AUS] | 76(5) 76(2) |
| Bublik, Alexander[4] | [KAZ] | |
| Popyrin, Alexei | ||
| Popyrin, Alexei | [AUS] | 46 60 62 |








