
Aptos, CA Challenger, 2019, Challenger 90
| Dzumhur, Damir[1] | [BIH] | |
| Dzumhur, Damir[1] | ||
| Lacko, Lukas | [SVK] | 67(6) 63 76(9) |
| Escobedo, Ernesto | [MEX] | |
| Escobedo, Ernesto | ||
| Fratangelo, Bjorn[5] | [USA] | 76(2) 67(5) 76(12) |
| Koepfer, Dominik[4] | [GER] | |
| Koepfer, Dominik[4] | ||
| Sarkissian, Alexander (ALT) | [USA] | 63 76(2) |
| Gojo, Borna | [CRO] | |
| Giron, Marcos[7] | ||
| Giron, Marcos[7] | [USA] | 36 76(2) 64 |
| Gerasimov, Egor[6] | [BLR] | |
| Gerasimov, Egor[6] | ||
| Gomez, Emilio[12] | [ECU] | 63 75 |
| Redlicki, Michael (ALT) | [USA] | |
| Daniel, Taro[3] | ||
| Daniel, Taro[3] | [JPN] | 36 75 76(3) |
| Purcell, Max | [AUS] | |
| Soeda, Go[10] | ||
| Soeda, Go[10] | [JPN] | 76(3) 63 |
| Broady, Liam | [GBR] | |
| Johnson, Steve[2] | ||
| Johnson, Steve[2] | [USA] | 75 61 |
| Dzumhur, Damir[1] | [BIH] | |
| Escobedo, Ernesto | ||
| Escobedo, Ernesto | [MEX] | 61 36 75 |
| Koepfer, Dominik[4] | [GER] | |
| Koepfer, Dominik[4] | ||
| Giron, Marcos[7] | [USA] | 61 64 |
| Gerasimov, Egor[6] | [BLR] | |
| Gerasimov, Egor[6] | ||
| Daniel, Taro[3] | [JPN] | 63 64 |
| Soeda, Go[10] | [JPN] | |
| Johnson, Steve[2] | ||
| Johnson, Steve[2] | [USA] | 63 76(4) |
| Escobedo, Ernesto | [MEX] | |
| Koepfer, Dominik[4] | ||
| Koepfer, Dominik[4] | [GER] | 64 63 |
| Gerasimov, Egor[6] | [BLR] | |
| Johnson, Steve[2] | ||
| Johnson, Steve[2] | [USA] | 62 61 |
| Koepfer, Dominik[4] | [GER] | |
| Johnson, Steve[2] | ||
| Johnson, Steve[2] | [USA] | 64 76(4) |








