| Challenger - Ismaning | 10/14 12:45 | 24 | Illya Marchenko v Vitaliy Sachko | 6-7,3-6 | |
| Challenger - Ismaning | 10/14 12:45 | 24 | Illya Marchenko v Tomas Machac | Cancelled | |
| Challenger - Nur-Sultan 2 | 10/06 06:00 | 29 | [130] Yannick Maden v Illya Marchenko [378] | 6-4,4-6,3-6 | |
| Challenger - Nur-Sultan 2 | 10/05 06:00 | 28 | [378] Illya Marchenko v Ruben Bemelmans [225] | 1-6,7-6,6-4 | |
| Challenger - Nur-Sultan 2 | 10/04 06:35 | 27 | [378] Illya Marchenko v Konstantin Kravchuk [340] | 6-4,6-3 | |
| Challenger - Nur-Sultan 2 | 10/03 06:50 | 26 | [311] Teymuraz Gabashvili v Illya Marchenko [378] | 4-6,2-6 | |
| Challenger - Nur-Sultan 2 | 10/02 08:40 | 25 | [378] Illya Marchenko v Matteo Viola [212] | 6-4,6-3 | |
| Challenger - Nur-Sultan 2 | 09/30 07:40 | 24 | Illya Marchenko v Maximilian Neuchrist | 6-4,7-5 | |
| Challenger - Glasgow | 09/17 09:00 | 24 | Illya Marchenko v Harry Wendelken | Cancelled | |
| Davis Cup | 09/15 15:10 | - | [136] Attila Balazs v Illya Marchenko [371] | 6-4,7-5 | |
| Davis Cup | 09/14 10:55 | - | [65] Marton Fucsovics v Illya Marchenko [371] | 6-3,6-2 | |
| Challenger - Cassis | 09/05 09:00 | 26 | [430] Illya Marchenko v Dudi Sela [166] | Retired | |
| Challenger - Cassis | 09/04 08:00 | 25 | [144] Ilya Ivashka v Illya Marchenko [430] | 6-7,4-6 | |
| Challenger - Cassis | 09/02 08:30 | 24 | [377] Lloyd Glasspool v Illya Marchenko [430] | 4-6,4-6 | |
| Challenger - Mallorca | 08/30 12:45 | 27 | [430] Illya Marchenko v Daniel Masur [318] | 6-7,2-6 | |
| Challenger - Mallorca | 08/29 13:05 | 26 | [230] Roman Safiullin v Illya Marchenko [430] | 1-6,2-6 | |
| Challenger - Mallorca | 08/28 16:05 | 25 | [430] Illya Marchenko v Dudi Sela [166] | 6-4,6-2 | |
| Challenger - Mallorca | 08/26 10:55 | 24 | [387] Felipe M R Alves v Illya Marchenko [430] | 3-6,4-6 | |
| Challenger - Portoroz | 08/14 16:40 | 25 | [90] Aljaz Bedene v Illya Marchenko [460] | 5-7,6-4,6-2 | |
| Challenger - Portoroz | 08/12 18:55 | 24 | [412] Hugo Nys v Illya Marchenko [460] | 4-6,2-6 | |
| ITF - M25 - Pozoblanco | 08/10 19:15 | 28 | Rayane Roumane v Illya Marchenko | 7-6,6-2 | |
| ITF - M25 - Pozoblanco | 08/09 18:25 | 27 | Gabriel Petit v Illya Marchenko | 4-6,6-7 | |
| ITF - M25 - Pozoblanco | 08/08 16:00 | 26 | Anatoliy Petrenko v Illya Marchenko | 5-7,0-6 | |
| ITF - M25 - Pozoblanco | 08/07 18:45 | 25 | David Jorda Sanchis v Illya Marchenko | 2-6,5-7 | |
| Challenger - Segovia | 08/01 17:55 | 26 | [238] Nicola Kuhn v Illya Marchenko [359] | 7-6,6-1 | |
| Challenger - Segovia | 07/30 12:05 | 25 | [359] Illya Marchenko v Scott Griekspoor [331] | 7-6,6-4 | |
| Challenger - Segovia | 07/29 10:30 | 24 | Miguel Damas v Illya Marchenko | 7-6,6-7,2-6 | |
| Challenger - Nur-Sultan | 07/16 09:35 | 25 | [363] Illya Marchenko v Sebastian Ofner [138] | 3-6,6-3,3-6 | |
| Challenger - Nur-Sultan | 07/15 09:00 | 24 | Illya Marchenko v Marsel Ilhan | 7-6,7-6 | |
| Challenger - Recanati | 07/03 19:05 | 25 | [385] Illya Marchenko v Sergiy Stakhovsky [136] | 6-7,6-3,5-7 |
Wikipedia - Illja Martschenko
Illja Wassyljowytsch Martschenko (ukrainisch Ілля́ Васи́льович Ма́рченко; englisch Illya Vasylovych Marchenko; * 8. September 1987 in Dniprodserschynsk, Ukrainische SSR, Sowjetunion) ist ein ukrainischer Tennisspieler.