 Turkey: Istanbul - Singles - Main |
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| 1/8-finals | Ianchuk O. | Serban R. | 0:1 RET. (1:6, 0:3) | details | 12.04.2019 |
| 1/16-finals | Oz I. | Ianchuk O. | 0:2 (2:6, 5:7) | details | 11.04.2019 |
 Russia: Moscow 2 - Singles - Qualification |
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| Semi-finals | Ianchuk O. | Ivakhnenko V. | 1:2 (6:1, 0:6, 2:6) | details | 23.07.2018 |
 Romania: Bucharest - Singles - Qualification |
|---|
| Semi-finals | Ianchuk O. | Buyukakcay C. | 1:2 (5:7, 7:5, 2:6) | details | 15.07.2018 |
| Quarter-finals | Fetecau I. | Ianchuk O. | 0:2 (3:6, 4:6) | details | 14.07.2018 |
 Germany: W60 Versmold - Singles - Main |
|---|
| 1/16-finals | Papadakis L. | Ianchuk O. | 2:1 (6:1, 5:7, 6:4) | details | 11.07.2018 |
| Germany: Nurnberg - Singles - Qualification |
|---|
| Final | Minella M. | Ianchuk O. | 2:0 (6:2, 6:1) | details | 20.05.2018 |
| Semi-finals | Niemeier J. | Ianchuk O. | 1:2 (3:6, 6:3, 63:7) | details | 19.05.2018 |
 USA: Charlottesville - Singles - Main |
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| 1/16-finals | Ianchuk O. | Rosatello C. | 0:2 (2:6, 4:6) | details | 26.04.2018 |
| USA: Dothan - Singles - Main |
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| 1/16-finals | Ianchuk O. | Ozaki R. | 1:2 (66:7, 6:0, 63:7) | details | 17.04.2018 |
| USA: Indian Harbour Beach - Singles - Main |
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| 1/16-finals | Ianchuk O. | Duval V. | 0:2 (4:6, 2:6) | details | 11.04.2018 |
 Mexico: Monterrey - Singles - Qualification |
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| Quarter-finals | Jovic J. | Ianchuk O. | 2:1 (6:3, 3:6, 6:4) | details | 31.03.2018 |
| Mexico: Acapulco - Singles - Qualification |
|---|
| Semi-finals | Rus A. | Ianchuk O. | 2:0 (6:2, 6:1) | details | 25.02.2018 |
 India: Mumbai - Singles - Main |
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| 1/16-finals | Namigata J. | Ianchuk O. | 1:0 RET. (6:1, 5:4) | details | 22.11.2017 |
| Russia: Moscow - Singles - Qualification |
|---|
| Quarter-finals | Kanepi K. | Ianchuk O. | 2:0 (6:2, 6:1) | details | 14.10.2017 |
| Russia: St. Petersburg - Singles - Main |
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| 1/16-finals | Kalinina A. | Ianchuk O. | 2:0 (6:2, 6:4) | details | 18.09.2017 |
| USA: US Open - Singles - Qualification |
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| Quarter-finals | Kiick A. | Ianchuk O. | 2:1 (6:1, 2:6, 6:4) | details | 22.08.2017 |
 Kazakhstan: Astana - Singles - Main |
|---|
| 1/8-finals | Zhang S. | Ianchuk O. | 2:0 (6:1, 6:3) | details | 20.07.2017 |
| 1/16-finals | Urzhumova V. | Ianchuk O. | 1:2 (2:6, 6:3, 3:6) | details | 19.07.2017 |
| Turkey: Istanbul - Singles - Main |
|---|
| 1/16-finals | Pieri J. | Ianchuk O. | 2:0 (6:4, 6:4) | details | 11.04.2017 |
| Russia: St. Petersburg - Singles - Main |
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| 1/16-finals | Dolonc V. | Ianchuk O. | 2:0 (6:0, 6:3) | details | 20.09.2016 |
 Hungary: W25 Budapest - Singles - Main |
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| 1/16-finals | Sabalenka A. | Ianchuk O. | 2:1 (6:3, 65:7, 6:4) | details | 04.07.2016 |
| USA: Dothan - Singles - Main |
|---|
| 1/16-finals | Kudryavtseva A. | Ianchuk O. | 2:0 (6:3, 6:2) | details | 20.04.2016 |
 United Arab Emirates: W100+H Dubai - Singles - Main |
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| 1/16-finals | Hercegovac-Sadikovic A. | Ianchuk O. | 2:0 (7:64, 6:4) | details | 09.11.2015 |
 Azerbaijan: Baku - Singles - Main |
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| 1/16-finals | Ianchuk O. | Tig P. M. | 0:2 (4:6, 2:6) | details | 28.07.2015 |
| Azerbaijan: Baku - Singles - Qualification |
|---|
| 1/8-finals | Soylu I. | Ianchuk O. | 0:2 (4:6, 4:6) | details | 27.07.2015 |
| 1/16-finals | Dik A. | Ianchuk O. | 0:2 (2:6, 0:6) | details | 26.07.2015 |
 Czech Republic: W60 Olomouc - Singles - Main |
|---|
| 1/16-finals | Muchova K. | Ianchuk O. | 2:1 (4:6, 6:2, 6:4) | details | 15.07.2015 |
| Germany: W60 Versmold - Singles - Main |
|---|
| 1/8-finals | Ianchuk O. | Schaefer A. J. | 0:2 (5:7, 3:6) | details | 09.07.2015 |
| 1/16-finals | Kasatkina D. | Ianchuk O. | 1:2 (6:2, 64:7, 5:7) | details | 07.07.2015 |
| USA: Indian Harbour Beach - Singles - Main |
|---|
| 1/16-finals | Kiick A. | Ianchuk O. | 2:0 (6:4, 6:2) | details | 06.05.2015 |
| USA: Charlottesville - Singles - Main |
|---|
| 1/16-finals | Frenkel N. | Ianchuk O. | 2:0 (6:4, 6:3) | details | 29.04.2015 |
| USA: Dothan - Singles - Main |
|---|
| 1/8-finals | Stevenson A. | Ianchuk O. | 2:0 (6:1, 6:3) | details | 23.04.2015 |
| 1/16-finals | Gallovits E. | Ianchuk O. | 1:2 (2:6, 6:4, 4:6) | details | 22.04.2015 |
| Turkey: Ankara - Singles - Main |
|---|
| 1/16-finals | Ianchuk O. | Melnikova M. | 0:2 (4:6, 5:7) | details | 16.12.2014 |
| Russia: Moscow - Singles - Qualification |
|---|
| Quarter-finals | Ianchuk O. | Sirotkina M. | 0:2 (2:6, 3:6) | details | 11.10.2014 |
| Kazakhstan: Astana - Singles - Main |
|---|
| 1/8-finals | Buyukakcay C. | Ianchuk O. | 2:0 (6:3, 6:4) | details | 23.07.2014 |
| 1/16-finals | Ianchuk O. | Bonaventure Y. | 2:1 (7:66, 3:6, 6:2) | details | 22.07.2014 |
 Georgia: W60 Telavi - Singles - Main |
|---|
| 1/8-finals | Ianchuk O. | Kremen I. | 0:2 (2:6, 3:6) | details | 26.09.2013 |
| 1/16-finals | Ianchuk O. | Kvatsabaia S. | 2:1 (4:6, 7:5, 6:1) | details | 25.09.2013 |
 Sweden: Bastad - Singles - Qualification |
|---|
| Semi-finals | Ianchuk O. | Gamiz A. | 0:2 (2:6, 5:7) | details | 14.07.2013 |
| Quarter-finals | Wlodarczak K. | Ianchuk O. | 0:2 (2:6, 5:7) | details | 13.07.2013 |
| Czech Republic: W25 Prerov - Singles - Main |
|---|
| Semi-finals | Jani R-L. | Ianchuk O. | 2:0 (6:4, 6:0) | details | 06.07.2013 |
| Quarter-finals | Ianchuk O. | Krejsova P. | 2:1 (2:6, 6:2, 6:3) | details | 05.07.2013 |
| 1/8-finals | Ianchuk O. | Fabikova K. | 2:0 (6:2, 6:3) | details | 04.07.2013 |
| 1/16-finals | Ianchuk O. | Rohanova P. | 2:1 (4:6, 6:4, 7:6) | details | 03.07.2013 |
| USA: Osprey - Singles - Main |
|---|
| 1/16-finals | Pliskova Kr. | Ianchuk O. | 2:1 (6:3, 6:7, 7:5) | details | 26.03.2013 |
| USA: W25 Orlando, FL - Singles - Main |
|---|
| 1/16-finals | Kramperova K. | Ianchuk O. | 2:0 (6:2, 6:4) | details | 13.03.2013 |
| USA: Gainesville - Singles - Main |
|---|
| 1/16-finals | Ianchuk O. | Forte C. | 1:2 (3:6, 6:3, 6:7) | details | 06.03.2013 |
