| ATP - Miami | 03/29 02:05 | 25 | [58] Frances Tiafoe v Dusan Lajovic [26] | 1-6,7-5,6-3 | |
| ATP - Miami | 03/26 15:00 | 24 | [205] Ernesto Escobedo v Dusan Lajovic [26] | 2-6,3-6 | |
| ATP - Dubaj | 03/17 15:35 | 26 | [44] Marton Fucsovics v Dusan Lajovic [26] | 6-1,4-6,6-4 | |
| ATP - Dubaj | 03/16 11:40 | 25 | [258] Malek Jaziri v Dusan Lajovic [26] | 5-7,2-6 | |
| ATP Doha | 03/09 14:15 | 25 | [27] Dusan Lajovic v Marton Fucsovics [46] | 6-7,3-6 | |
| ATP - Rotterdam | 03/04 18:30 | 26 | [27] Dusan Lajovic v Borna Coric [26] | 3-6,2-6 | |
| ATP - Rotterdam | 03/03 11:40 | 25 | [3] Daniil Medvedev v Dusan Lajovic [27] | 6-7,4-6 | |
| ATP - Montpellier | 02/25 13:50 | 26 | [27] Dusan Lajovic v Dennis Novak [102] | 6-7,5-7 | |
| Australian Open | 02/14 07:30 | 26 | [27] Dusan Lajovic v Alexander Zverev [7] | 4-6,6-7,3-6 | |
| Australian Open | 02/12 04:30 | 25 | [87] Pedro Martinez v Dusan Lajovic [27] | 7-6,5-7,1-6,4-6 | |
| Australian Open | 02/10 04:20 | 24 | [45] Alexander Bublik v Dusan Lajovic [27] | 4-6,6-7,6-4,3-6 | |
| Australian Open | 02/08 06:45 | 23 | [201] Sergiy Stakhovsky v Dusan Lajovic [26] | 7-5,4-6,3-6,7-5,4-6 | |
| ATP Cup | 02/05 23:00 | 1 | Dusan Lajovic v Jan-Lennard Struff | View | |
| ATP Cup | 02/04 23:00 | 1 | [26] Dusan Lajovic v Jan-Lennard Struff [37] | 6-3,3-6,4-6 | |
| ATP Cup | 02/01 23:00 | 1 | [26] Dusan Lajovic v Miloš Raonić [15] | 3-6,4-6 | |
| ATP - Paríž | 11/03 15:00 | 24 | [36] Adrian Mannarino v Dusan Lajovic [26] | 7-6,6-3 | |
| ATP - Viedeň | 10/27 16:55 | 25 | [26] Dusan Lajovic v Lorenzo Sonego [42] | 4-6,3-6 | |
| ATP - Viedeň | 10/27 13:00 | 25 | Dusan Lajovic v Diego Schwartzman | Cancelled | |
| ATP - Antverpy | 10/19 14:30 | 25 | [24] Dusan Lajovic v Frances Tiafoe [61] | 3-6,6-7 | |
| ATP - Sardínia | 10/14 14:15 | 26 | [74] Laslo Djere v Dusan Lajovic [24] | 6-4,7-5 | |
| French Open | 10/01 14:50 | 24 | [24] Dusan Lajovic v Kevin Anderson [118] | 2-6,4-6,6-4,6-3,3-6 | |
| French Open | 09/29 10:15 | 23 | [24] Dusan Lajovic v Gianluca Mager [89] | 6-4,7-6,4-6,6-1 | |
| ATP - Hamburg | 09/25 11:30 | 27 | [24] Dusan Lajovic v Stefanos Tsitsipas [6] | 6-7,2-6 | |
| ATP - Hamburg | 09/24 10:30 | 26 | [16] Karen Khachanov v Dusan Lajovic [24] | 1-6,2-6 | |
| ATP - Hamburg | 09/22 19:05 | 25 | [24] Dusan Lajovic v Adrian Mannarino [38] | 6-4,6-1 | |
| ATP - Rím | 09/18 17:00 | 26 | [25] Dusan Lajovic v Rafael Nadal [2] | 1-6,3-6 | |
| ATP - Rím | 09/17 12:05 | 25 | [19] Miloš Raonić v Dusan Lajovic [25] | 6-7,6-4,2-6 | |
| ATP - Rím | 09/15 12:05 | 24 | [70] Alejandro Davidovich Fokina v Dusan Lajovic [25] | 4-6,4-6 | |
| ATP - Kitzbühel | 09/10 08:30 | 26 | [118] Yannick Hanfmann v Dusan Lajovic [24] | 4-6,6-3,6-4 | |
| US Open | 08/31 15:00 | 23 | [24] Dusan Lajovic v Egor Gerasimov [72] | 1-6,6-4,4-6,4-6 |
Wikipedia - Dušan Lajović
Dušan Lajović (Serbian Cyrillic: Душан Лајовић; born 30 June 1990) is a Serbian professional tennis player. Lajović has won two singles and two doubles titles on the ATP Tour. On 29 April 2019, Lajović reached his career-high singles ranking of world No. 23. On 21 September 2020, he peaked at No. 82 in the doubles rankings. 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 he contributed greatly to Serbia winning the inaugural ATP Cup in 2020, as he won four of six matches. He won his first singles tournament at the 2019 Croatia Open and reached his first Masters 1000 final at the 2019 Monte-Carlo Masters.