ATP Belgrade 04/23 12:00 28 [1] Novak Djokovic v Karen Khachanov [26] 4-6,6-1,6-2
ATP Belgrade 04/21 16:35 27 [26] Karen Khachanov v Thiago Monteiro [110] 7-5,6-4
ATP Belgrade 04/20 14:35 26 Karen Khachanov v Roman Safiullin Walkover
ATP Monte Carlo 04/11 10:55 24 [24] Karen Khachanov v Diego Schwartzman [16] 7-6,3-6,3-6
ATP Miami 03/26 15:00 24 [37] Tommy Paul v Karen Khachanov [25] 6-4,3-6,7-6
ATP Indian Wells 03/13 03:05 24 [26] Karen Khachanov v Jenson Brooksby [43] 0-6,3-6
ATP Dubai 02/23 15:00 26 [1] Novak Djokovic v Karen Khachanov [26] 6-3,7-6
ATP Dubai 02/22 10:00 25 [26] Karen Khachanov v Alex De Minaur [32] 6-3,6-7,7-5
ATP Doha 02/18 16:30 28 [27] Karen Khachanov v Roberto Bautista-Agut [16] 6-2,3-6,5-7
ATP Doha 02/17 17:15 27 [27] Karen Khachanov v Marin Cilic [24] 3-6,6-3,6-4
ATP Doha 02/16 16:25 26 [27] Karen Khachanov v Emil Ruusuvuori [71] 7-6,6-3
ATP Doha 02/14 16:15 25 [27] Karen Khachanov v Mackenzie McDonald [51] 7-6,6-3
ATP Rotterdam 02/09 20:30 26 [13] Cameron Norrie v Karen Khachanov [28] 6-4,7-6
ATP Rotterdam 02/08 12:00 25 [28] Karen Khachanov v Alexei Popyrin [66] 6-7,6-1,7-6
Australian Open 01/21 10:10 25 [30] Karen Khachanov v Rafael Nadal [5] 3-6,2-6,6-3,1-6
Australian Open 01/19 07:30 24 [30] Karen Khachanov v Benjamin Bonzi [63] 6-4,6-0,7-5
Australian Open 01/17 02:00 23 [30] Karen Khachanov v Denis Kudla [109] 3-6,6-3,6-2,7-6
ATP Adelaide 2 01/13 00:30 27 [30] Karen Khachanov v Arthur Rinderknech [58] 6-7,5-7
ATP Adelaide 2 01/12 03:35 26 [30] Karen Khachanov v Gianluca Mager [63] 7-5,6-3
ATP Adelaide 01/09 07:30 29 [21] Gael Monfils v Karen Khachanov [29] 6-4,6-4
ATP Adelaide 01/08 05:10 28 [30] Marin Cilic v Karen Khachanov [29] 6-7,3-6
ATP Adelaide 01/07 06:35 27 [113] Egor Gerasimov v Karen Khachanov [29] 5-7,3-6
ATP Adelaide 01/06 03:50 26 [85] Steve Johnson v Karen Khachanov [29] 4-6,6-4,2-6
ATP Paris 11/03 12:55 25 [30] Grigor Dimitrov v Karen Khachanov [31] 4-6,6-2,6-0
ATP Paris 11/02 12:55 24 [31] Karen Khachanov v Mikael Ymer [97] 6-4,7-5
ATP St Petersburg 10/28 13:25 26 [35] Marin Cilic v Karen Khachanov [30] 6-4,6-7,6-4
ATP St Petersburg 10/27 13:50 25 [50] Adrian Mannarino v Karen Khachanov [30] 3-6,3-6
ATP Moscow 10/23 15:50 28 [31] Karen Khachanov v Aslan Karatsev [22] 6-7,1-6
ATP Moscow 10/22 15:30 27 [58] John Millman v Karen Khachanov [31] 5-7,6-7
ATP Moscow 10/20 18:10 26 [52] James Duckworth v Karen Khachanov [31] 6-3,3-6,1-6

Wikipedia - Karen Khachanov

Karen Abgarovich Khachanov (Каре́н Абга́рович Хача́нов; born 21 May 1996) is a Russian-Armenian professional tennis player. Khachanov has won six ATP Tour singles titles, including a Masters 1000 title at the 2018 Paris Masters, has claimed an Olympic silver medal at the 2020 Tokyo Olympics, and has reached two Major semifinals at the 2022 US Open and 2023 Australian Open. He has also won one doubles Masters 1000 title at the 2023 Madrid Open partnering Andrey Rublev. He achieved his career-high singles ranking of world No. 8 on 15 July 2019. He also has a career high ranking of No. 53 in doubles achieved on 29 January 2024.