| ITF Russia F6 | 08/12 10:00 | 54 | Konstantin Kravchuk v Maxim Geraskin | 6-2,6-2 | |
| Challenger Segovia Qual | 07/29 14:30 | 46 | Konstantin Kravchuk v Enzo Couacaud | 4-6,3-6 | |
| Challenger Segovia Qual | 07/28 09:10 | 45 | Konstantin Kravchuk v Emil Ruusuvuori | 7-5,6-0 | |
| Challenger Astana Qual | 07/15 06:35 | 54 | [357] Saketh Myneni v Konstantin Kravchuk [496] | 4-6,6-3,6-4 | |
| Challenger Astana Qual | 07/14 09:20 | 46 | Timur Maulenov v Konstantin Kravchuk | 2-6,0-6 | |
| Challenger Fergana | 06/19 09:40 | 25 | [184] Nikola Milojevic v Konstantin Kravchuk [483] | 7-5,6-7,6-4 | |
| Challenger Fergana Qual | 06/18 05:00 | 54 | [483] Konstantin Kravchuk v Sergey Betov [425] | Retired | |
| Challenger Fergana Qual | 06/17 05:00 | 46 | Kristian Lozan v Konstantin Kravchuk | Retired | |
| Challenger Fergana Qual | 06/16 08:10 | 45 | Konstantin Kravchuk v Timur Khabibulin | 6-1,7-6 | |
| ITF Uzbekistan F4 | 06/07 05:00 | 27 | [382] Konstantin Kravchuk v Sergey Betov [473] | 6-7,7-6,6-7 | |
| ITF Uzbekistan F4 | 06/06 06:30 | 26 | Konstantin Kravchuk v Denis Matsukevich | 6-2,6-4 | |
| ITF Uzbekistan F4 | 06/05 09:30 | 25 | Konstantin Kravchuk v Danis Baybekov | 6-1,6-3 | |
| ITF Uzbekistan F3 | 05/31 05:00 | 27 | [280] Cem Ilkel v Konstantin Kravchuk [382] | 2-6,7-6,6-3 | |
| ITF Uzbekistan F3 | 05/30 07:35 | 26 | Denis Matsukevich v Konstantin Kravchuk | 3-6,4-6 | |
| ITF Uzbekistan F3 | 05/28 05:55 | 25 | Sharobiddin Abzalov v Konstantin Kravchuk | 4-6,1-6 | |
| Challenger Karshi | 05/07 07:15 | 25 | Konstantin Kravchuk v Khumoyun Sultanov | 6-7,3-6 | |
| ITF Uzbekistan F2 | 04/27 06:00 | 28 | Yaraslav Shyla v Konstantin Kravchuk | 6-2,7-6 | |
| ITF Uzbekistan F2 | 04/26 06:00 | 27 | [390] Sanjar Fayziev v Konstantin Kravchuk [355] | 4-6,4-6 | |
| ITF Uzbekistan F2 | 04/25 06:25 | 26 | Khumoyun Sultanov v Konstantin Kravchuk | 5-7,4-6 | |
| ITF Uzbekistan F2 | 04/24 05:00 | 25 | Roman Blokhin v Konstantin Kravchuk | 1-6,3-6 | |
| ITF Uzbekistan F1 | 04/20 05:00 | 28 | [370] Evgeny Tyurnev v Konstantin Kravchuk [323] | 6-3,3-6,6-3 | |
| ITF Uzbekistan F1 | 04/19 06:35 | 27 | [380] Sanjar Fayziev v Konstantin Kravchuk [323] | 2-6,6-3,2-6 | |
| ITF Uzbekistan F1 Qual | 04/18 05:00 | 26 | Vadym Ursu v Konstantin Kravchuk | 6-2,4-6,4-6 | |
| ITF Uzbekistan F1 | 04/16 07:35 | 25 | Pavel Tsoy v Konstantin Kravchuk | 2-6,2-6 | |
| Challenger Yokohama | 02/27 01:00 | 25 | Konstantin Kravchuk v Hiroki Moriya | 0-6,2-6 | |
| Challenger Kyoto | 02/22 01:30 | 26 | Konstantin Kravchuk v Jordan Thompson | 3-6,1-6 | |
| Challenger Kyoto | 02/20 05:00 | 25 | Konstantin Kravchuk v Shintaro Imai | 6-4,7-5 | |
| Challenger Budapest Qual | 02/03 16:45 | 45 | Konstantin Kravchuk v Tom Farquharson | 3-6,6-7 | |
| Challenger Quimper Qual | 01/28 09:00 | 46 | Konstantin Kravchuk v Ugo Humbert | 6-7,3-6 | |
| Challenger Rennes Qual | 01/21 09:00 | 46 | Konstantin Kravchuk v Quentin Gueydan | 4-6,3-6 |
Wikipedia - Konstantin Kravchuk
Konstantin Vladimirovich Kravchuk (Russian: Константи́н Влади́мирович Кравчу́к, IPA: [kənstɐnʲˈtʲin krɐfˈtɕuk]; born 23 February 1985) is a former Russian professional tennis player. He is known for his strong serve and good skills on fast and indoor courts.
History
In 2013 at age 28 Kravchuk made his debut at the Davis Cup in the 2013 Davis Cup Europe/Africa Zone Group I second round play-off match against South Africa. In the third rubber, he partnered with Andrey Kuznetsov and defeated Raven Klaasen and Tucker Vorster in four sets. Kravchuk also took part in the fifth dead rubber against Jacob Coenraad de Klerk, who retired during the first set of the match.
After his debut Kravchuk took part in all matches in the Davis Cup until the 2017 season. He played all the doubles matches partnering with five different teammates.