Markos Kalovelonis (Greek: Μάρκος Καλοβελώνης, Марк Георгиевич Каловелонис; born 18 May 1994) is a Greek-Russian tennis player.

Markos Kalovelonis
Марк Георгиевич Каловелонис
Μάρκος Καλοβελώνης
Country (sports) Greece (2011–14; 2019–present)
 Russia (2014–19)
ResidenceNea Ionia, Greece
Born (1994-05-18) 18 May 1994 (age 30)
Marousi, Greece
Height1.93 m (6 ft 4 in)
Turned pro2012
PlaysRight-handed (two handed-backhand)
Prize money$161,018
Singles
Career record3–2 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 445 (13 June 2016)
Current rankingNo. 1621 (17 June 2024)
Doubles
Career record3–3 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles20 ITF
Highest rankingNo. 178 (8 August 2023)
Current rankingNo. 191 (17 June 2024)
Team competitions
Davis Cup6–5
Last updated on: 17 June 2024.

Kalovelonis has a career high ATP singles ranking of World No. 445 achieved on 13 June 2016. He also has a career high ATP doubles ranking of World No. 178 achieved on 8 August 2023. Kalovelonis has won 21 ITF doubles titles.

Kalovelonis has represented Greece at the Davis Cup where he has a W/L record of 6–5. He also represented Greece in the ATP Cup in 2020, 2021 and 2022.

Kalovelonis is the son of former Greek tennis player, George Kalovelonis and Russian Karina Nazarenko. In 2014, Kalovelonis decided to represent Russia instead of Greece. In 2019, Kalovelonis switched back to represent Greece. He is fluent in Russian, Greek and English.

Futures and Challenger finals

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Singles: 4 (0–4)

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Legend (singles)
ATP Challenger Tour (0–0)
ITF Futures Tour (0–4)
Titles by surface
Hard (0–2)
Clay (0–2)
Grass (0–0)
Result W–L    Date    Tournament Tier Surface Opponent Score
Loss 0–1 Jan 2016 Kazakhstan, Aktobe Futures Hard (i)   Sergey Betov 3–6, 4–6
Loss 0–2 Jun 2016 Uzbekistan, Namangan Futures Hard   Chen Ti 4–6, 2–6
Loss 0–3 Jun 2018 United States, Rochester, New York Futures Clay   Alex Rybakov 1–6, 6–7(6–8)
Loss 0–4 Jul 2018 Estonia, Pärnu Futures Clay   Dragoș Nicolae Mădăraș 2–6, 3–6

Doubles: 53 (23–30)

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Legend (doubles)
ATP Challenger Tour (1–4)
ITF Futures Tour (22–26)
Titles by surface
Hard (16–18)
Clay (7–11)
Grass (0–0)
Carpet (0–1)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Loss 0–1 Apr 2012 Greece, Heraklion Futures Carpet   Charalampos Kapogiannis   Björn Propst
  Bastian Trinker
1–6, 3–6
Win 1–1 July 2013 Egypt, Sharm El Sheikh Futures Clay   Angelos Lenis   Karim Hossam
  Karim-Mohamed Maamoun
6–4, 3–6, [10–6]
Win 2–1 Sep 2013 Greece, Filippiada Futures Hard   Alexandros Jakupovic   Valentin Dimov
  Dinko Halachev
6–3, 6–3
Loss 2–2 Apr 2014 Uzbekistan, Karshi Futures Hard   Shonigmatjon Shofayziyev   Piotr Gadomski
  Adam Majchrowicz
5–7, 1–6
Win 3–2 Jun 2014 Turkey, Istanbul Futures Hard   Alexander Merino   Damian Farinola
  Darren Polkinghorne
3–6, 6–1, [10–8]
Loss 3–3 Aug 2014 Iran, Tehran Futures Clay   Amirvala Madanchi   Vinayak Sharma Kaza
  Vijay Sundar Prashanth
3–6, 4–6
Loss 3–4 Nov 2014 Greece, Heraklion Futures Hard   Alexandros Jakupovic   Ivan Bjelica
  Miljan Zekić
3–6, 6–7(4–7)
Win 4–4 Nov 2014 Greece, Heraklion Futures Hard   Alexandros Jakupovic   Sander Gillé
  Alexis Musialek
7–6(7–1), 7–6(7–4)
Loss 4–5 Nov 2014 Greece, Heraklion Futures Hard   Alexandros Jakupovic   Danilo Petrović
  Ilija Vucic
5–7, 2–6
Win 5–5 Mar 2015 Greece, Heraklion Futures Hard   Alexandros Jakupovic   Patrich Grigoriu
  Costin Pavăl
6–4, 6–2
Win 6–5 Apr 2015 Greece, Heraklion Futures Hard   Alexandros Jakupovic   Patrich Grigoriu
  Costin Pavăl
2–6, 7–5, [10–5]
Loss 6–6 Apr 2015 Egypt, Sharm El Sheikh Futures Hard   Lucas Miedler   Martin Fischer
  Jannis Liniger
4–6, 2–6
Win 7–6 Apr 2015 Greece, Heraklion Futures Hard   Alexandros Jakupovic   Joe Salisbury
  Joshua Ward-Hibbert
6–1, 6–2
Loss 7–7 May 2015 Croatia, Bol Futures Clay   Martin Beran   Gábor Borsos
  Levente Gödry
4–6, 5–7
Loss 7–8 Jun 2015 Uzbekistan, Andijan Futures Hard   Shonigmatjon Shofayziyev   Denis Matsukevich
  Denys Molchanov
6–2, 6–7(5–7), [12–14]
Loss 7–9 Jun 2015 Turkey, Istanbul Futures Hard   Temur Ismailov   Tuna Altuna
  Bradley Mousley
4–6, 4–6
Loss 7–10 Sep 2015 India, Chennai Futures Hard   Timur Khabibulin   Jeevan Nedunchezhiyan
  Vijay Sundar Prashanth
6–4, 3–6, [4–10]
Loss 7–11 Sep 2015 India, Chennai Futures Hard   Kunal Anand   Xin Gao
  Bowen Ouyang
2–6, 7–5, [9–11]
Loss 7–12 Oct 2015 Kazakhstan, Shymkent Futures Clay   Aleksandar Lazov   Ivan Gakhov
  Aleksandre Metreveli
6–7(4–7), 3–6
Win 8–12 Dec 2015 Cyprus, Lamaca Futures Hard   Konstantinos Economidis   Andrés Artuñedo Martinavarro
  Steven Diez
4–6, 6–3, [10–5]
Loss 8–13 Apr 2016 Kazakhstan, Shymkent Futures Clay   Aleksandre Metreveli   Saniar Fayziev
  Andrei Vasilevski
2–6, 4–6
Win 9–13 Apr 2016 Kazakhstan, Shymkent Futures Clay   Aleksandre Metreveli   Miki Janković
  Andrei Vasilevski
6–4, 6–1
Win 10–13 May 2016 Uzbekistan, Andijan Futures Hard   Sriram Balaji   Roman Khassanov
  Vitaly Kozyukov
6–3, 6–4
Loss 10–14 Aug 2016 Belarus, Minsk Futures Hard   Vasko Mladenov   Yaraslav Shyla
  Dzmitry Zhyrmont
6–7(8–10), 3–6
Loss 10–15 Oct 2016 Greece, Heraklion Futures Hard   Filipp Kekercheni   Adrian Andrzejczuk
  Mateusz Smolicki
7–6(7–1), 6–7(5–7), [9–11]
Loss 10–16 Dec 2016 Cyprus, Lamaca Futures Hard   Alexandre Müller   Lucas Miedler
Maximilian Neuchrist
3–6, 6–1, [5–10]
Loss 10–17 Mar 2017 Greece, Heraklion Futures Hard   Temur Ismailov   Hunter Callahan
  Nicholas S. Hu
6–4, 1–6, [11–13]
Win 11–17 Jul 2017 Russia, Kazan Futures Hard   Evgenii Tiurnev   Alexander Boborykin
  Timur Kiyamov
6–2, 7–6(10–8)
Loss 11–18 Aug 2017 Russia, Kazan Futures Hard   Alexander Pavlioutchenkov   Daniiar Duldaev
  Denis Yevseyev
6–7(2–7), 4–6
Win 12–18 Apr 2018 Greece, Heraklion Futures Hard   Yaraslav Shyla   Erik Crepaldi
  Petr Michnev
6–4, 7–6(7–5)
Loss 12–19 Jul 2018 Estonia, Pärnu Futures Clay   Denis Klok   Marc Dijkhuizen
  Bart Stevens
4–6, 2–6
Win 13–19 Sep 2018 Egypt, Cairo Futures Clay   Alexander Erler   Anirudh Chandrasekar
  Aryan Goveas
6–4, 7–6(7–3)
Loss 13–20 Nov 2018 Greece, Heraklion Futures Hard   Petros Tsitsipas   Vit Kopriva
  David Pichler
2–6, 6–4, [7–10]
Win 14–20 Dec 2018 Turkey, Antalya Futures Clay   Sanjar Fayziev   Tadeas Paroulek
  Oleg Prihodko
7–5, 3–6, [10–6]
Loss 14–21 Apr 2019 M25 Andijan, Uzbekistan World Tennis Tour Hard   Grigoriy Lomakin   Timur Khabibulin
  Vladyslav Manafov
5–7, 1–6
Win 15–21 Jun 2019 M15 Akko, Israel World Tennis Tour Hard   Michail Pervolarakis   Julian Bradley
  Florian Lakat
6–7(9–11), 6–4, [10–6]
Loss 15–22 Aug 2019 M15 Moscow, Russia World Tennis Tour Clay   Sergey Fomin   Alen Avidzba
  Ivan Davydov
6–3, 1–6, [7–10]
Win 16–22 Mar 2021 M15 Antalya, Turkey World Tennis Tour Clay   Sanjar Fayziev   Vlad Andrei Dancu
  Gabriel Donev
5–7, 7–6(7–3), [10–7]
Win 17–22 May 2021 M15 Tbilisi, Georgia World Tennis Tour Hard   Sanjar Fayziev   Aleksandre Bakshi
  Zura Tkemaladze
6–4, 3–6, [10–5]
Loss 17–23 May 2021 M15 Shymkent, Kazakhstan World Tennis Tour Clay   Sanjar Fayziev   Yan Bondarevskiy
  Grigoriy Lomakin
3–6, 4–6
Win 18–23 Jul 2021 M25 Nur-Sultan, Kazakhstan World Tennis Tour Hard   Sanjar Fayziev   Oleksii Krutykh
  Vladyslav Manafov
7–6(7–1), 6–3
Loss 18–24 Sep 2021 M25 Johannesburg, South Africa World Tennis Tour Hard   Michail Pervolarakis   Alec Beckley
  Vaughn Hunter
1–6, 6–7(5–7)
Win 19–24 Oct 2021 M25 Nur-Sultan, Kazakhstan World Tennis Tour Hard (i)   Sanjar Fayziev   Aliaksandr Liaonenka
  Yan Sabanin
6–7(7–9), 6–4, [10–7]
Win 20–24 Nov 2021 M15 Heraklion, Greece World Tennis Tour Hard   Sanjar Fayziev   William Ma
  Alexis Musialek
6–4, 6–1
Loss 20–25 Dec 2021 Antalya, Turkey Challenger Clay   Sanjar Fayziev   Hsu Yu-hsiou
  Oleksii Krutykh
1–6, 6–7(5–7)
Loss 20–26 Jan 2022 M25 Cairo, Egypt World Tennis Tour Clay   David Pichler   Yu Hsiou Hsu
  Neil Oberleitner
6–7(5–7), 4–6
Win 21–26 Mar 2022 M25 Antalya, Turkey World Tennis Tour Clay   Sanjar Fayziev   Moez Echargui
  Alexander Weis
6–2, 6–4
Loss 21–27 Mar 2022 Oeiras, Portugal Challenger Clay   Sanjar Fayziev   Nuno Borges
  Francisco Cabral
3–6, 0–6
Win 22–27 May 2022 Shymkent, Kazakhstan Challenger Clay   Sanjar Fayziev   Mikael Torpegaard
  Kaichi Uchida
6–7(3–7), 6–4, [10–4]
Win 23–27 Aug 2023 M25 Jakarta, Indonesia World Tennis Tour Hard   Khumoyun Sultanov   Palaphoom Kovapitukted
  Manish Sureshkumar
4–6, 7–5, [10–7]
Loss 23–28 Oct 2023 Shenzhen, China Challenger Hard   Mikalai Haliak   Gao Xin
  Wang Aoran
4–6, 2–6
Loss 23–29 Nov 2023 M25 Heraklion, Greece World Tennis Tour Hard   Sergis Kyratzis   Simon Freund
  Vladyslav Orlov
7–6(7–4), 4–6, [7–10]
Loss 23–30 Jun 2024 Lyon, France Challenger Clay   Vladyslav Orlov   Manuel Guinard
  Grégoire Jacq
6–4, 3–6, [6–10]
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