| Challenger Zug | 07/25 09:30 | 25 | [288] Matheus P De Almeida v Adrian Andreev [210] | 2-6,4-6 | |
| Challenger Trieste | 07/19 08:30 | 26 | [257] Guido Andreozzi v Adrian Andreev [216] | 6-3,7-6 | |
| Challenger Trieste | 07/17 13:10 | 25 | [307] Mathias Bourgue v Adrian Andreev [216] | 4-6,2-6 | |
| Challenger Braunschweig | 07/12 12:40 | 26 | [210] Adrian Andreev v August Holmgren [468] | 4-6,6-3,6-7 | |
| Challenger Braunschweig | 07/11 09:00 | 25 | [210] Adrian Andreev v Geoffrey Blancaneaux [163] | 6-4,3-6,6-3 | |
| Wimbledon | 06/26 11:10 | 14 | [119] Michael Mmoh v Adrian Andreev [207] | 6-4,3-6,7-6 | |
| Challenger Parma | 06/19 15:00 | 25 | [208] Adrian Andreev v Oriol Roca Batalla [306] | 1-6,4-6 | |
| Challenger Troisdorf | 05/30 16:15 | 25 | [308] Henri Squire v Adrian Andreev [215] | Cancelled | |
| French Open | 05/26 10:25 | 19 | [227] Genaro Alberto Olivieri v Adrian Andreev [214] | 6-1,5-7,6-4 | |
| French Open | 05/24 14:20 | 15 | [214] Adrian Andreev v Juan Pablo Ficovich [223] | 6-2,7-5 | |
| French Open | 05/23 11:05 | 14 | [201] Francesco Maestrelli v Adrian Andreev [214] | 3-6,4-6 | |
| Challenger Oeiras | 05/15 15:05 | 25 | [112] Radu Albot v Adrian Andreev [212] | 6-1,6-3 | |
| Challenger Mauthausen | 05/08 15:00 | 25 | [212] Adrian Andreev v Leandro Riedi [158] | 7-6,4-6,6-7 | |
| Challenger Rzym | 04/25 08:00 | 25 | [207] Adrian Andreev v Fausto Tabacco [495] | Retired | |
| Challenger Oeiras | 04/19 09:00 | 26 | [160] Kaichi Uchida v Adrian Andreev [213] | 6-1,1-6,6-2 | |
| Challenger Oeiras | 04/17 14:45 | 25 | [237] Harold Mayot v Adrian Andreev [213] | 3-6,4-6 | |
| ATP Estoril | 04/01 13:55 | 14 | [197] Adrian Andreev v Timofey Skatov [155] | Retired | |
| Challenger Las Franquesas del Valles | 03/22 10:20 | 26 | [197] Adrian Andreev v Gastao Elias [222] | 4-6,3-6 | |
| Challenger Las Franquesas del Valles | 03/20 14:45 | 25 | Adrian Andreev v Daniel Merida | 4-6,6-1,6-3 | |
| Challenger Szekesfehervar | 03/17 10:40 | 27 | [163] Fabian Marozsan v Adrian Andreev [204] | Retired | |
| Challenger Szekesfehervar | 03/16 11:10 | 26 | [468] Mirza Basic v Adrian Andreev [204] | 2-6,6-7 | |
| Challenger Szekesfehervar | 03/14 09:00 | 25 | [381] Gerald Melzer v Adrian Andreev [204] | 7-6,3-6,6-7 | |
| Challenger Lugano | 03/08 16:25 | 26 | [204] Adrian Andreev v Antoine Escoffier [197] | 6-7,3-6 | |
| Challenger Lugano | 03/07 11:05 | 25 | [204] Adrian Andreev v Antoine Bellier [173] | 6-7,7-6,6-3 | |
| Challenger Koblenz | 02/02 16:00 | 26 | [204] Adrian Andreev v Maximilian Marterer [157] | 3-6,3-6 | |
| Challenger Koblenz | 02/01 12:00 | 25 | [300] Daniel Masur v Adrian Andreev [204] | 5-7,3-6 | |
| Australian Open | 01/11 23:00 | 19 | [191] Adrian Andreev v Zizou Bergs [131] | 1-6,2-6 | |
| Australian Open | 01/11 01:30 | 15 | [122] Jurij Rodionov v Adrian Andreev [191] | 4-6,1-6 | |
| Australian Open | 01/08 23:00 | 14 | [200] Francesco Maestrelli v Adrian Andreev [189] | 6-7,6-4,6-7 | |
| Challenger Maspalomas | 12/02 12:05 | 27 | [103] Dusan Lajovic v Adrian Andreev [197] | Walkover |
Adrian Andreew, bułg. Адриан Андреев (ur. 12 maja 2001 w Sofii) – bułgarski tenisista, triumfator juniorskiego US Open 2018 w grze podwójnej, reprezentant kraju w rozgrywkach Pucharu Davisa.