 | |  |  | | Grand Prix Hassan II Jodar vs Lajovic | 31 Mar 26 |
 | |  |  | | Chile Open Hanfmann vs Lajovic | 23 Feb 26 |
 | |  |  | | Rio Open Berrettini vs Lajovic | 20 Feb 26 |
 | |  |  | | Rio Open Altmaier vs Lajovic | 16 Feb 26 |
 | |  |  | | Croatia Open Lajovic vs Atmane | 21 Jul 25 |
 | |  |  | | Wimbledon Lajovic vs Harris | 30 Jun 25 |
 | |  |  | | French Open Shevchenko vs Lajovic | 27 May 25 |
 | |  |  | | Geneva Open Fearnley vs Lajovic | 19 May 25 |
 | |  |  | | Internazionali BNL dItalia Alcaraz vs Lajovic | 09 May 25 |
 | |  |  | | Internazionali BNL dItalia Nishioka vs Lajovic | 07 May 25 |
 | |  |  | | Mutua Madrid Open Quinn vs Lajovic | 23 Apr 25 |
 | |  |  | | Monte Carlo Masters Cobolli vs Lajovic | 08 Apr 25 |
 | |  |  | | BNP Paribas Open Tabilo vs Lajovic | 08 Mar 25 |
 | |  |  | | BNP Paribas Open Lajovic vs Tu | 07 Mar 25 |
 | |  |  | | Rio Open Lajovic vs Dzumhur | 18 Feb 25 |
 | |  |  | | Argentina Open Zverev vs Lajovic | 12 Feb 25 |
 | |  |  | | Argentina Open Carballes Baena vs Lajovic | 10 Feb 25 |
 | |  |  | | Australian Open Kecmanovic vs Lajovic | 14 Jan 25 |
 | |  |  | | Brisbane International Mensik vs Lajovic | 02 Jan 25 |
 | |  |  | | Brisbane International Cazaux vs Lajovic | 31 Dec 24 |
 | |  |  | | Mens Singles Lajovic vs Marterer | 28 Jul 24 |
 | |  |  | | Barcelona Open Tsitsipas vs Lajovic | 20 Apr 24 |
 | |  |  | | Barcelona Open Fils vs Lajovic | 19 Apr 24 |
| | | | | |
Dušan Lajović (Serbian Cyrillic: Душан Лајовић; born 30 June 1990) is a Serbian professional tennis player. On 29 April 2019, he reached his career-high singles ranking of world No. 23. On 21 September 2020, he peaked at No. 82 in the doubles rankings. Lajović has won two singles and two doubles titles on the ATP Tour.
He won his first singles tournament at the 2019 Croatia Open and reached his first Masters 1000 final at the 2019 Monte-Carlo Masters. He is best known for his clay court game, kick serve and strong flowing groundstrokes, especially his one-handed backhand. Lajović regularly represents Serbia in team competitions, after playing in the now defunct World Team Cup in 2010 and 2011. He is a member of the Serbian Davis Cup team since 2012 and contributed greatly to Serbia winning the inaugural ATP Cup in 2020, as he won four of his six matches. He also qualified for the 2024 Paris Olympics.

Trophies 
Milestones
Former Youth Teams 
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