| Challenger Taipei | 05/18 07:55 | 29 | [242] Illya Marchenko v Adam Walton [111] | 6-3,2-6,6-7 | |
| Challenger Taipei | 05/17 08:20 | 28 | [242] Illya Marchenko v Yu Hsiou Hsu [235] | 0-6,7-6,6-3 | |
| Challenger Taipei | 05/16 05:10 | 27 | [84] Max Purcell v Illya Marchenko [242] | 4-6,3-6 | |
| Challenger Taipei | 05/15 08:25 | 26 | [242] Illya Marchenko v Evgeny Donskoy [353] | 3-6,6-3,6-4 | |
| Challenger Taipei | 05/14 13:05 | 25 | [242] Illya Marchenko v Hiroki Moriya [329] | 6-3,7-6 | |
| Challenger Wuxi | 05/06 09:10 | 25 | [242] Illya Marchenko v Seongchan Hong [198] | 3-6,3-6 | |
| Challenger Guangzhou | 04/29 07:50 | 25 | [240] Illya Marchenko v Alex Bolt [244] | 4-6,6-4,1-6 | |
| Challenger Šen-čen | 04/23 10:00 | 25 | [240] Illya Marchenko v Mattia Bellucci [181] | 3-6,4-6 | |
| Challenger Kwangdžu | 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 Hamburk | 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 Sofie | 11/05 15:50 | 19 | [137] Terence Atmane v Illya Marchenko [210] | 7-6,7-5 | |
| ATP Sofie | 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 Hamburk | 10/22 09:30 | 29 | [176] Dennis Novak v Illya Marchenko [248] | 2-6,3-6 |
Wikipedia - Illja Marčenko
Illja Marčenko ukr. Ілля Марченко / Ill’ja Marčenko (* 8. září 1987, Dniprodzeržynsk (dnes Kamjanske, Ukrajina), tehdy Sovětský svaz) je ukrajinský profesionální tenista. Ve své dosavadní kariéře nevyhrál na okruhu ATP World Tour žádný turnaj. Na turnajích typu Challenger zaznamenal 1 finálové vítězství ve dvouhře. Jeho nejvyšším umístěním na žebříčku ATP ve dvouhře bylo 49. místo (26. září 2016) a ve čtyřhře 268. místo (25. srpen 2014).