| ATP Atlanta Qual | 07/21 16:30 | 64 | [119] Hubert Hurkacz v Illya Marchenko [327] | 6-1,6-1 | |
| Challenger Recanati | 07/02 19:45 | 25 | [296] Illya Marchenko v Ilya Ivashka [124] | 3-6,3-6 | |
| Wimbledon Qual | 06/25 14:05 | 44 | [287] Illya Marchenko v Yannick Maden [134] | 6-4,3-6,4-6 | |
| Challenger Ilkley Qual | 06/16 13:00 | 45 | [276] Illya Marchenko v Marc Polmans [175] | 7-5,6-7,1-6 | |
| Challenger Nottingham Qual | 06/09 17:00 | 45 | Jack Findel-Hawkins v Illya Marchenko | 4-6,7-6,7-6 | |
| French Open Qual | 05/21 08:00 | 44 | [272] Illya Marchenko v Hugo Dellien [139] | 4-6,2-6 | |
| Challenger Bratislava | 11/08 11:20 | 25 | Marcos Baghdatis v Illya Marchenko | Cancelled | |
| Challenger Brest | 10/24 09:00 | 25 | [194] Illya Marchenko v Tristan Lamasine [298] | 5-7,3-6 | |
| Challenger Brest Qual | 10/23 10:05 | 54 | [194] Illya Marchenko v Filip Horansky [320] | 7-6,6-4 | |
| Challenger Brest Qual | 10/22 13:05 | 46 | Illya Marchenko v Moez Echargui | 6-1,6-4 | |
| ATP Stockholm Qual | 10/16 11:15 | - | [190] Simone Bolelli v Illya Marchenko [199] | 6-3,1-6,7-6 | |
| ATP Stockholm Qual | 10/15 15:05 | 26 | [204] Illya Marchenko v Stefano Napolitano [164] | 6-1,6-2 | |
| Challenger Orleans | 09/30 13:40 | 28 | [89] Norbert Gombos v Illya Marchenko [222] | 6-4,6-1 | |
| Challenger Orleans | 09/29 16:30 | 27 | [115] Nicolas Mahut v Illya Marchenko [222] | 6-7,1-6 | |
| Challenger Orleans | 09/28 17:35 | 26 | Illya Marchenko v Pierre-H. Herbert | 1-6,6-3,6-4 | |
| Challenger Orleans | 09/27 09:00 | 25 | [174] Aldin Setkic v Illya Marchenko [222] | 3-6,5-7 | |
| Challenger Izmir | 09/24 11:00 | 29 | [287] Illya Marchenko v Stephane Robert [276] | 7-6,6-0 | |
| Challenger Izmir | 09/23 10:45 | 28 | [233] Aleksandr Nedovyesov v Illya Marchenko [287] | Retired | |
| Challenger Izmir | 09/22 10:40 | 27 | [287] Illya Marchenko v Sadio Doumbia [310] | 6-7,6-2,7-6 | |
| Challenger Izmir | 09/21 09:00 | 26 | [99] Sergiy Stakhovsky v Illya Marchenko [287] | 6-7,3-6 | |
| Challenger Izmir | 09/19 13:00 | 25 | [287] Illya Marchenko v Marsel Ilhan [211] | 1-6,6-1,6-4 | |
| Davis Cup | 09/17 14:50 | 27 | [290] Edan Leshem v Illya Marchenko [286] | 1-6,3-6 | |
| Davis Cup | 09/15 09:00 | 27 | [67] Dudi Sela v Illya Marchenko [286] | 6-7,2-6,3-6 | |
| US Open Qual | 08/23 23:00 | 44 | [162] Illya Marchenko v Joris De Loore [199] | 6-3,3-6,4-6 | |
| ATP Atlanta Qual | 07/23 16:20 | 46 | Illya Marchenko v Tim Smyczek | Walkover | |
| ATP Atlanta Qual | 07/22 22:05 | 45 | [112] Illya Marchenko v Alessandro Bega [328] | 6-4,6-4 | |
| ATP Newport | 07/17 20:15 | 25 | [142] Bjorn Fratangelo v Illya Marchenko [112] | 7-6,1-6,6-4 | |
| Wimbledon | 07/03 16:10 | 23 | [48] Jiri Vesely v Illya Marchenko [117] | 6-1,4-6,4-6,7-5,6-1 | |
| Wimbledon Qual | 06/29 14:05 | - | [117] Illya Marchenko v Marcus Willis [374] | 6-4,6-1,7-6 | |
| Wimbledon Qual | 06/28 14:00 | 45 | [117] Illya Marchenko v Benjamin Becker [228] | 3-6,7-6,6-4 |
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.