| Challenger - Bergamo | 10/30 12:20 | 14 | [435] Illya Marchenko v Mate Valkusz [271] | 6-2,6-3 | |
| Challenger - Ortisei | 10/23 11:55 | 14 | [446] David Poljak v Illya Marchenko [377] | 7-6,3-6,7-5 | |
| Challenger - Vilnius | 10/19 13:20 | 26 | [393] Viktor Durasovic v Illya Marchenko [377] | 5-7,7-6,6-1 | |
| Challenger - Vilnius | 10/17 13:00 | 25 | [307] Mirza Basic v Illya Marchenko [377] | 5-7,2-6 | |
| ATP - Tel Aviv | 09/25 10:30 | 14 | [142] Vasek Pospisil v Illya Marchenko [312] | 7-6,6-2 | |
| Challenger - Istanbul | 09/14 10:15 | 26 | [310] Illya Marchenko v Sebastian Ofner [209] | 1-6,5-7 | |
| Challenger - Istanbul | 09/13 07:00 | 25 | [388] Marek Gengel v Illya Marchenko [310] | 5-7,4-6 | |
| Challenger - Nonthaburi | 09/01 04:20 | 26 | [307] Illya Marchenko v Omar Jasika [367] | 6-2,3-6,4-6 | |
| Challenger - Nonthaburi | 08/29 06:50 | 25 | [307] Illya Marchenko v Yshai Oliel [355] | 6-3,6-2 | |
| Challenger - Nonthaburi | 08/24 05:55 | 26 | [328] Nam Hoang Ly v Illya Marchenko [308] | 4-6,6-1,7-5 | |
| Challenger - Nonthaburi | 08/22 11:25 | 25 | [433] Jason Jung v Illya Marchenko [308] | 6-7,2-6 | |
| Challenger - Grodzisk Mazowiecki | 08/17 08:30 | 26 | [322] Illya Marchenko v Zhizhen Zhang [157] | 6-7,1-6 | |
| Challenger - Grodzisk Mazowiecki | 08/16 08:00 | 25 | [303] Ergi Kirkin v Illya Marchenko [322] | 6-7,3-6 | |
| Challenger - Segovia | 07/27 13:00 | 26 | [418] Benjamin Lock v Illya Marchenko [306] | 7-6,2-6,6-3 | |
| Challenger - Segovia | 07/25 16:00 | 25 | [300] Andrey Kuznetsov v Illya Marchenko [306] | 7-6,1-6,3-6 | |
| Challenger - Nur-Sultan | 07/20 07:05 | 26 | [288] Illya Marchenko v Denis Istomin [449] | 4-6,6-7 | |
| Challenger - Nur-Sultan | 07/18 12:20 | 25 | [288] Illya Marchenko v Grigoriy Lomakin [205] | 6-3,6-3 | |
| Challenger - Porto | 07/04 13:15 | 25 | [203] Kaichi Uchida v Illya Marchenko [277] | 7-6,7-6 | |
| Wimbledon | 06/22 12:35 | 19 | [263] Jason Jung v Illya Marchenko [275] | 7-6,6-2 | |
| Wimbledon | 06/20 11:05 | 14 | [275] Illya Marchenko v Jesper De Jong [216] | 7-5,0-6,6-4 | |
| Challenger - Ilkley | 06/12 10:00 | 14 | [247] Illya Marchenko v Rinky Hijikata [239] | 3-6,7-6,6-7 | |
| Challenger - Bratislava | 06/07 13:30 | 25 | [247] Illya Marchenko v Filip C Jianu [311] | 7-6,2-6,6-7 | |
| Challenger - Shymkent | 05/19 05:30 | 27 | [463] Evan Zhu v Illya Marchenko [252] | 6-3,7-6 | |
| Challenger - Shymkent | 05/18 06:20 | 26 | [384] Gabriel Decamps v Illya Marchenko [252] | 1-6,1-6 | |
| Challenger - Shymkent | 05/17 07:35 | 25 | Saba Purtseladze v Illya Marchenko | 4-6,2-6 | |
| Challenger - Shymkent | 05/11 04:00 | 26 | [329] Ergi Kirkin v Illya Marchenko [254] | 5-7,6-1,6-3 | |
| Challenger - Shymkent | 05/09 08:05 | 25 | [381] Gabriel Decamps v Illya Marchenko [254] | 3-6,1-6 | |
| Challenger - Shymkent | 05/09 04:00 | 25 | Joris De Loore v Illya Marchenko | Cancelled | |
| Challenger - Praga | 05/02 11:00 | 25 | [206] Dimitar Kuzmanov v Illya Marchenko [251] | 6-1,6-3 | |
| Challenger - St Brieuc | 03/30 11:20 | 25 | [252] Illya Marchenko v Jack Draper [146] | 3-6,6-7 |
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.