| Challenger Bratislava | 10/10 12:15 | 25 | [196] Dennis Novak v Illya Marchenko [271] | 6-7,0-6 | |
| Challenger Bratislava | 10/09 11:20 | 19 | [271] Illya Marchenko v Kacper Zuk [301] | 7-5,7-5 | |
| Challenger Bratislava | 10/08 13:10 | 14 | [271] Illya Marchenko v Evgeny Karlovskiy [474] | 6-2,7-6 | |
| Mouilleron-Le-Captif, France | 10/03 13:40 | 25 | [271] Illya Marchenko v Benjamin Bonzi [98] | 6-7,6-7 | |
| Challenger Columbus | 09/18 22:40 | 25 | [197] Tennys Sandgren v Illya Marchenko [272] | 6-2,6-1 | |
| Challenger Cary | 09/13 18:40 | 26 | [472] Samuel, Toby v Illya Marchenko [273] | 7-5,6-7,6-1 | |
| Challenger Cary | 09/11 21:30 | 25 | [273] Illya Marchenko v Enzo Couacaud [178] | 6-4,7-6 | |
| Winston-Salem, USA | 08/21 19:25 | 24 | [267] Illya Marchenko v Rinky Hijikata [111] | 6-4,3-6,2-6 | |
| Winston-Salem, USA | 08/20 17:00 | 19 | [264] Illya Marchenko v Omni Kumar [383] | 6-4,6-4 | |
| Winston-Salem, USA | 08/19 15:00 | 14 | Illya Marchenko v Moroni, Filippo | 6-3,6-4 | |
| Challenger Salinas | 07/29 16:00 | 29 | Matija Pecotic v Illya Marchenko | 4-6,4-6 | |
| Challenger Salinas | 07/28 18:10 | 28 | [222] Giovanni M Perricard v Illya Marchenko [328] | 6-7,4-6 | |
| Challenger Salinas | 07/27 15:00 | 27 | [328] Illya Marchenko v Rio Noguchi [231] | 6-3,3-6,7-6 | |
| Challenger Salinas | 07/26 17:05 | 26 | [253] Evgeny Donskoy v Illya Marchenko [328] | 5-7,5-7 | |
| Challenger Salinas | 07/24 18:40 | 25 | [398] Omni Kumar v Illya Marchenko [328] | 6-3,3-6,4-6 | |
| Newport, USA | 07/17 17:25 | 19 | [252] Li Tu v Illya Marchenko [320] | 6-3,6-2 | |
| Newport, USA | 07/16 16:00 | 14 | Young, Donald v Illya Marchenko | 1-6,3-6 | |
| Challenger Chicago | 07/13 15:00 | 26 | [338] Illya Marchenko v Juncheng Shang [155] | 5-7,3-6 | |
| Challenger Chicago | 07/11 16:40 | 25 | [232] Dane Sweeny v Illya Marchenko [338] | 4-6,4-6 | |
| Challenger Chicago | 07/10 15:00 | 19 | Cannon Kingsley v Illya Marchenko | 6-7,1-6 | |
| Challenger Chicago | 07/09 19:30 | 14 | [500] Jaimee Floyd Angele v Illya Marchenko [338] | 6-7,4-6 | |
| Challenger Bratislava | 06/15 10:30 | 26 | [266] Vitaliy Sachko v Illya Marchenko [345] | 7-5,6-1 | |
| Challenger Bratislava | 06/13 15:00 | 25 | [293] Dino Prizmic v Illya Marchenko [345] | 2-6,4-6 | |
| Challenger Bratislava | 06/12 13:45 | 19 | [420] Daniel Dutra Da Silva v Illya Marchenko [345] | 4-6,6-7 | |
| Challenger Bratislava | 06/12 10:10 | 45 | Rola, Blaz v Illya Marchenko | 6-4,5-7,3-6 | |
| Prostejov, Czech Republic | 06/05 10:50 | 19 | [251] Roman A Burruchaga v Illya Marchenko [356] | 3-6,6-4,6-4 | |
| Prostejov, Czech Republic | 06/04 11:00 | 14 | [405] Martin Damm v Illya Marchenko [356] | 4-6,3-6 | |
| Geneva, Switzerland | 05/20 13:50 | 14 | [321] Illya Marchenko v Vitaliy Sachko [282] | 5-7,2-6 | |
| Mauthausen, Austria | 05/08 08:00 | 19 | [324] Illya Marchenko v Lucas Gerch [334] | Retired | |
| Mauthausen, Austria | 05/07 09:45 | 14 | Illya Marchenko v Joel Josef Schwarzler | 7-5,6-2 |
Wikipedia - Illya Marchenko
Illya Marchenko, né le à Dniprodzerjynsk, est un joueur de tennis ukrainien, professionnel depuis 2006.