

Introduction
Mark Lajal (born 12 May 2003) is an Estonian tennis player.
Lajal has a career high ATP singles ranking of 199, achieved on 6 November 2023. He also has a career high ATP doubles ranking of 1096, achieved on 19 June 2023. He has won three ITF singles titles and a Challenger title. On the junior tour, he had a career high ITF combined ranking of 13, achieved on 30 August 2021.
Lajal represents Estonia at the Davis Cup, where he has a W/L record of 1–2.
Career
2023: Maiden Challenger title, ATP debut and first win, top 200
He won his first Challenger title in Little Rock, Arkansas. He became the first Estonian to win a Challenger title before his 21st birthday and Estonia’s second ever Challenger champion.
Ranked No. 229 on his ATP debut, he received a wildcard for the main draw of the 2023 European Open and defeated Jaume Munar for his first ATP win.
As a lucky loser at the Bergamo Challenger, Lajal beat Jelle Sels, Ugo Blanchet and the opponent he lost to in qualifying, Pierre-Hugues Herbert to reach the semifinals, where he lost to David Goffin in 3 sets. As a result, he made his debut in the top 200.
Challenger and World Tennis Tour Finals
Singles: 6 (4–2)
| Titles by surface |
|---|
| Legend (singles) |
| ATP Challenger Tour (1–0) |
| ITF World Tennis Tour (3–2) |
| Titles by surface |
| Hard (3–2) |
| Clay (0–0) |
| Grass (0–0) |
| Carpet (0–0) |
| ATP Challenger Tour (1–0) |
| ITF World Tennis Tour (3–2) |
| Hard (3–2) |
| Clay (0–0) |
| Grass (0–0) |
| Carpet (0–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | May 2022 | M15 Heraklion, Greece | World Tennis Tour | Hard | Dominik Palan | 6–4, 6–3 | |
| Win | Aug 2022 | M15 Monastir, Tunisia | World Tennis Tour | Hard | Constantin Bittuon Kouzmine | 6–2, 3–6, 6–3 | |
| Loss | Aug 2022 | M15 Monastir, Tunisia | World Tennis Tour | Hard | Te Rigele | 3–6, 6–3, 5–7 | |
| Loss | Sep 2022 | M25 Bagnères-de-Bigorre, France | World Tennis Tour | Hard | Joris De Loore | 3–6, 0–6 | |
| Win | Dec 2022 | M25 Monastir, Tunisia | World Tennis Tour | Hard | Bu Yunchaokete | 6–4, 6–1 | |
| Win | Jun 2023 | Little Rock, USA | Challenger | Hard | Beibit Zhukayev | 6–4, 7–5 |