Results
| 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] Toby Samuel 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 | |
| ATP Winston-Salem | 08/21 19:25 | 24 | [267] Illya Marchenko v Rinky Hijikata [111] | 6-4,3-6,2-6 | |
| ATP Winston-Salem | 08/20 17:00 | 19 | [264] Illya Marchenko v Omni Kumar [383] | 6-4,6-4 | |
| ATP Winston-Salem | 08/19 15:00 | 14 | Illya Marchenko v Filippo Moroni | 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 | |
| ATP Newport | 07/17 17:25 | 19 | [252] Li Tu v Illya Marchenko [320] | 6-3,6-2 |
Wikipedia - Illya Marchenko
Illya Vasylovych Marchenko (Ukrainian: Ілля Васильович Марченко) (born 8 September 1987) is a Ukrainian professional tennis player. Marchenko turned professional in 2005 and had been playing at the Futures and Challengers level from 2005 to 2008. His career high in singles is World No. 49 achieved on 26 September 2016 and 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.