| Challenger - Shenzhen | 04/23 10:00 | 25 | [240] Illya Marchenko v Mattia Bellucci [181] | 3-6,4-6 | |
| Challenger - Gwangju | 04/16 05:10 | 25 | [239] Illya Marchenko v Seongchan Hong [172] | 3-6,2-6 | |
| Challenger - Busan | 04/12 02:00 | 27 | [107] James Duckworth v Illya Marchenko [256] | 7-6,3-6,6-3 | |
| Challenger - Busan | 04/10 04:20 | 26 | [256] Illya Marchenko v Rio Noguchi [343] | 6-2,6-3 | |
| Challenger - Busan | 04/08 04:00 | 25 | [252] Illya Marchenko v Alex Bolt [247] | 6-1,7-6 | |
| Challenger - Hamburg | 03/13 09:30 | 25 | [322] Ergi Kirkin v Illya Marchenko [228] | 4-6,6-3,6-4 | |
| Challenger - Lugano | 03/04 09:00 | 19 | [226] Illya Marchenko v Cem Ilkel [318] | 6-7,6-7 | |
| Challenger - Lugano | 03/03 11:20 | 14 | Illya Marchenko v Yannik Steinegger | 6-2,3-6,6-2 | |
| ATP - Delray Beach | 02/10 15:00 | 14 | [71] Flavio Cobolli v Illya Marchenko [234] | 6-4,6-2 | |
| ATP - Dallas | 02/05 18:00 | 19 | [281] Tennys Sandgren v Illya Marchenko [234] | 7-5,7-6 | |
| ATP - Dallas | 02/04 17:00 | 14 | Brandon Holt v Illya Marchenko | 6-7,7-6,6-7 | |
| Challenger - Koblenz | 01/31 12:05 | 25 | [332] David Jorda Sanchis v Illya Marchenko [228] | 6-4,3-6,6-1 | |
| Challenger - Koblenz | 01/31 12:05 | 25 | [207] Francesco Passaro v Illya Marchenko [228] | Cancelled | |
| Australian Open | 01/09 03:50 | 14 | [218] Illya Marchenko v Nerman Fatic [210] | 4-6,6-7 | |
| Challenger - Noumea | 01/01 08:45 | 25 | [76] Richard Gasquet v Illya Marchenko [220] | 7-6,6-2 | |
| ATP - Sofia | 11/05 15:50 | 19 | [137] Terence Atmane v Illya Marchenko [210] | 7-6,7-5 | |
| ATP - Sofia | 11/04 13:30 | 14 | [274] Lorenzo Giustino v Illya Marchenko [210] | 6-7,7-6,3-6 | |
| Challenger - Bergamo | 10/31 18:30 | 25 | [258] Cem Ilkel v Illya Marchenko [210] | 6-7,6-4,7-5 | |
| Challenger - Bergamo | 10/30 10:35 | 19 | [210] Illya Marchenko v Kenny de Schepper [474] | 6-4,7-5 | |
| Challenger - Bergamo | 10/29 12:10 | 14 | Illya Marchenko v Leonardo Borrelli | 6-2,7-6 | |
| Challenger - Ortisei | 10/26 11:20 | 26 | Illya Marchenko v Luca Giacomini | 6-4,2-6,6-7 | |
| Challenger - Ortisei | 10/25 08:00 | 25 | [212] Illya Marchenko v Lorenzo Rottoli [433] | 6-4,6-4 | |
| Challenger - Hamburg | 10/22 09:30 | 29 | [176] Dennis Novak v Illya Marchenko [248] | 2-6,3-6 | |
| Challenger - Hamburg | 10/21 10:00 | 28 | [262] Billy Harris v Illya Marchenko [248] | 5-7,6-3,5-7 | |
| Challenger - Hamburg | 10/20 09:00 | 27 | [248] Illya Marchenko v Adam Walton [177] | 6-4,6-1 | |
| Challenger - Hamburg | 10/18 11:25 | 26 | [248] Illya Marchenko v Altug Celikbilek [295] | 6-4,3-6,7-6 | |
| Challenger - Hamburg | 10/17 08:00 | 25 | [244] Oleksii Krutykh v Illya Marchenko [248] | 2-6,3-6 | |
| Challenger - Bratislava | 10/13 12:30 | 27 | [188] Joris De Loore v Illya Marchenko [271] | 6-3,3-6,7-6 | |
| Challenger - Bratislava | 10/12 14:00 | 26 | [271] Illya Marchenko v Norbert Gombos [289] | 4-6,6-3,7-5 | |
| Challenger - Bratislava | 10/10 12:15 | 25 | [196] Dennis Novak v Illya Marchenko [271] | 6-7,0-6 |
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.