| Challenger St. Petersburg Qual | 03/07 08:15 | 14 | [356] Konstantin Kravchuk v Tim Van Rijthoven [331] | 4-6,4-6 | |
| Challenger St. Petersburg | 02/28 10:45 | 14 | [352] Konstantin Kravchuk v Artem Dubrivnyy [433] | 6-7,4-6 | |
| ITF M15 St Petersburg | 02/11 07:00 | 26 | Andrey Kuznetsov v Konstantin Kravchuk | 4-6,6-1,7-6 | |
| ITF M15 St Petersburg | 02/09 11:15 | 25 | Karlis Ozolins v Konstantin Kravchuk | 4-6,3-6 | |
| ITF M15 St Petersburg | 02/06 08:00 | 28 | Alibek Kachmazov v Konstantin Kravchuk | 6-3,6-3 | |
| ITF M15 St Petersburg | 02/05 08:30 | 27 | Bogdan Bobrov v Konstantin Kravchuk | 7-6,4-6,3-6 | |
| ITF M15 St Petersburg | 02/04 09:35 | 26 | Alexander Vasilenko v Konstantin Kravchuk | 4-6,4-6 | |
| ITF M15 St Petersburg | 02/02 07:55 | 25 | Alexander Igoshin v Konstantin Kravchuk | 2-6,3-6 | |
| Challenger Nur-Sultan | 03/09 07:35 | 24 | [326] Konstantin Kravchuk v Denis Yevseyev [362] | 4-6,4-6 | |
| ITF M25 Aktobe | 02/18 08:00 | 25 | [330] Konstantin Kravchuk v Grigoriy Lomakin [331] | 3-6,6-7 | |
| ITF M25 Aktobe | 02/15 05:55 | 28 | Konstantin Kravchuk v Evgeny Tyurnev | 5-7,3-6 | |
| ITF M25 Aktobe | 02/14 06:00 | 27 | [325] Konstantin Kravchuk v Francesco Forti [468] | 6-4,7-6 | |
| ITF M25 Aktobe | 02/13 08:55 | 26 | Konstantin Kravchuk v Timur Kiyamov | 6-4,6-7,6-1 | |
| ITF M25 Aktobe | 02/12 07:40 | 25 | Konstantin Kravchuk v Maxim Ratniuk | 6-4,6-4 | |
| ITF M15 Kazan | 01/25 10:00 | 28 | [327] Konstantin Kravchuk v Sergey Fomin [404] | 4-6,1-6 | |
| ITF M15 Kazan | 01/24 08:30 | 27 | Konstantin Kravchuk v Oleksii Krutykh | 6-0,6-2 | |
| ITF M15 Kazan | 01/23 10:20 | 26 | Konstantin Kravchuk v Mikhail Fufygin | 6-4,6-4 | |
| ITF M15 Kazan | 01/22 12:45 | 25 | Konstantin Kravchuk v Egor Noskin | 4-6,6-4,6-4 | |
| Challenger Bendigo | 01/15 03:40 | 26 | [338] Konstantin Kravchuk v Stefano Travaglia [75] | 6-7,3-6 | |
| Challenger Bendigo | 01/14 01:50 | 25 | [338] Konstantin Kravchuk v Matias Franco Descotte [381] | 6-2,6-4 | |
| Challenger Shenzhen 2 | 10/29 03:30 | 25 | [297] Konstantin Kravchuk v Go Soeda [126] | 7-6,4-6,5-7 | |
| Challenger Shenzhen 2 | 10/28 03:25 | 24 | Ye Cong Mo v Konstantin Kravchuk | 4-6,0-6 | |
| Challenger Liuzhou | 10/24 06:00 | 26 | [307] Konstantin Kravchuk v Yuta Shimizu [408] | Retired | |
| Challenger Liuzhou | 10/23 03:45 | 25 | [183] Enrique Lopez-Perez v Konstantin Kravchuk [307] | 3-6,3-6 | |
| Challenger Liuzhou | 10/22 02:00 | 24 | [261] Goncalo Oliveira v Konstantin Kravchuk [307] | 2-6,2-6 | |
| 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 05:00 | 26 | [340] Konstantin Kravchuk v Ilya Ivashka [132] | 1-6,6-3,6-2 | |
| Challenger Nur-Sultan 2 | 10/01 06:30 | 25 | [233] Sasikumar Mukund v Konstantin Kravchuk [340] | 4-6,2-6 | |
| Challenger Nur-Sultan 2 | 09/30 08:25 | 24 | [340] Konstantin Kravchuk v Borna Gojo [329] | 3-6,6-1,6-4 | |
| ITF M25 Almaty | 09/27 06:40 | 27 | Jurabek Karimov v Konstantin Kravchuk | 6-1,7-6 |
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.