| Challenger Biella | 02/18 15:25 | 26 | [109] Kamil Majchrzak v Illya Marchenko [212] | 6-1,4-6,1-6 | |
| Challenger Biella | 02/16 17:30 | 25 | [212] Illya Marchenko v Giulio Zeppieri [328] | 7-6,4-6,6-3 | |
| Challenger Biella | 02/14 15:30 | 29 | [125] Andy Murray v Illya Marchenko [212] | 2-6,4-6 | |
| Challenger Biella | 02/13 14:15 | 28 | [212] Illya Marchenko v Federico Gaio [140] | 7-5,6-1 | |
| Challenger Biella | 02/12 12:40 | 27 | [212] Illya Marchenko v Lorenzo Giustino [157] | 6-2,2-6,7-5 | |
| Challenger Biella | 02/10 12:40 | 26 | [212] Illya Marchenko v Luca Vanni [456] | 7-6,6-1 | |
| Challenger Biella | 02/09 10:50 | 25 | [158] Martin Klizan v Illya Marchenko [212] | 2-6,6-7 | |
| Challenger Quimper Qual | 01/31 09:00 | 14 | [215] Illya Marchenko v Tristan Lamasine [249] | 0-6,6-4,6-7 | |
| Challenger Quimper | 01/29 13:00 | 27 | [146] Benjamin Bonzi v Illya Marchenko [215] | 6-7,6-4,6-4 | |
| Challenger Quimper | 01/27 17:15 | 26 | [215] Illya Marchenko v Gregoire Barrere [111] | 6-3,6-2 | |
| Challenger Quimper | 01/26 13:20 | 25 | Arthur Cazaux v Illya Marchenko | 4-6,5-7 | |
| Challenger Quimper | 01/25 11:00 | 19 | [215] Illya Marchenko v Tung-Lin Wu [250] | 6-3,6-7,6-1 | |
| Challenger Quimper | 01/24 14:05 | 14 | Illya Marchenko v Sean Cuenin | 6-4,6-2 | |
| Australian Open | 01/10 14:55 | 60 | [215] Illya Marchenko v Kimmer Coppejans [175] | 6-7,3-6 | |
| Challenger Ortisei | 11/20 10:00 | 27 | [214] Alexandre Muller v Illya Marchenko [218] | 6-7,7-6,7-5 | |
| Challenger Ortisei | 11/19 09:10 | 26 | Illya Marchenko v Hugo Grenier | Walkover | |
| Challenger Ortisei | 11/16 09:30 | 25 | [158] Sebastian Ofner v Illya Marchenko [216] | 6-7,1-6 | |
| ATP Sofia | 11/09 11:35 | 25 | [73] Vasek Pospisil v Illya Marchenko [216] | 6-2,5-7,7-6 | |
| ATP Sofia | 11/08 11:00 | 164 | [59] Gilles Simon v Illya Marchenko [216] | 6-2,6-3 | |
| ATP Sofia | 11/07 13:30 | 64 | [216] Illya Marchenko v Jozef Kovalik [126] | 7-5,6-3 | |
| Challenger Eckental | 11/02 10:25 | 25 | Marvin Moeller v Illya Marchenko | 6-3,1-6,6-1 | |
| Challenger Hamburg | 10/29 13:20 | 26 | [157] Botic Van De Zandschulp v Illya Marchenko [220] | 6-4,7-5 | |
| Challenger Hamburg | 10/28 12:45 | 25 | [220] Illya Marchenko v Daniel Altmaier [125] | Retired | |
| Challenger Hamburg | 10/25 12:50 | - | [218] Illya Marchenko v Tobias Kamke [238] | 7-6,3-6,0-6 | |
| Challenger Hamburg | 10/24 16:45 | 26 | Illya Marchenko v Mats Rosenkranz | 6-7,6-3,6-3 | |
| Challenger Istanbul | 10/20 12:15 | 25 | [218] Illya Marchenko v Martin Klizan [168] | 6-7,3-6 | |
| Challenger Biella | 09/29 11:00 | 25 | [169] Denis Istomin v Illya Marchenko [210] | 7-6,6-2 | |
| French Open | 09/21 13:45 | 14 | [152] Yannick Maden v Illya Marchenko [208] | 4-6,6-2,6-1 | |
| Challenger Nur-Sultan | 03/13 07:40 | 27 | Jesper De Jong v Illya Marchenko | Cancelled | |
| Challenger Nur-Sultan | 03/12 06:00 | 26 | [209] Illya Marchenko v Alexey Zakharov [403] | 7-5,7-6 |
Wikipedia - Illya Marchenko
Illya Vasylovych Marchenko (Ukrainian: Ілля Васильович Марченко) (born 8 September 1987) is a Ukrainian professional tennis player. He has a career high in singles of World No. 49 achieved on 26 September 2016 and of No. 268 in doubles achieved on 25 August 2014. On the ATP Tour, Marchenko reached the semifinals of Moscow in 2009, the 2010 St. Petersburg Open and Doha in 2016.
He is noted for his backhand, which he cites as his best shot. His favorite surface is hard courts.