| 6‑May‑2024 | Rome Masters | Clay | R64 | 58 | 7 | Kecmanovic d. (5)Casper Ruud [NOR] | 0-6 6-4 6-4 | (ch) | 0.94 | 9.0% | 1.3% | 59.0% | 63.0% | 43.8% | 4/9 | 2:19 |
| 15‑Jan‑2024 | Australian Open | Hard | R16 | 60 | 2 | (2)Carlos Alcaraz [ESP] d. Kecmanovic | 6-4 6-4 6-0 | (ch) | 0.53 | 3.6% | 1.2% | 64.3% | 59.3% | 50.0% | 4/9 | 1:49 |
| 7‑Aug‑2023 | Canada Masters | Hard | R32 | 44 | 17 | (15)Hubert Hurkacz [POL] d. Kecmanovic | 5-7 6-3 6-0 | (ch) | 0.71 | 1.1% | 5.7% | 51.7% | 64.4% | 52.4% | 3/7 | 1:52 |
| 3‑Jul‑2023 | Wimbledon | Grass | R128 | 41 | 98 | Diego Schwartzman [ARG] d. Kecmanovic | 6-0 6-3 6-4 | | 0.77 | 0.0% | 4.1% | 64.9% | 61.9% | 23.5% | 11/18 | 2:04 |
| 10‑Apr‑2023 | Monte Carlo Masters | Clay | R64 | 34 | 21 | (16)Lorenzo Musetti [ITA] d. Kecmanovic | 7-6(1) 6-0 | (ch) | 0.53 | 1.9% | 0.0% | 63.0% | 52.9% | 50.0% | 0/3 | 1:29 |
| 27‑Feb‑2023 | Acapulco | Hard | R32 | 31 | 30 | Denis Shapovalov [CAN] d. Kecmanovic | 6-7(4) 6-0 7-5 | | 0.83 | 1.1% | 4.3% | 64.1% | 61.0% | 48.5% | 5/12 | 2:13 |
| 13‑Feb‑2023 | Delray Beach | Hard | F | 33 | 7 | (1)Taylor Fritz [USA] d. (4)Kecmanovic | 6-0 5-7 6-2 | (ch) | 0.55 | 6.6% | 3.3% | 53.8% | 67.3% | 40.5% | 4/9 | 1:57 |
| 2‑Jan‑2023 | Adelaide 1 | Hard | R16 | 29 | 7 | (3)Daniil Medvedev [RUS] d. Kecmanovic | 6-0 6-3 | (ch) | 0.54 | 0.0% | 0.0% | 73.8% | 41.9% | 54.5% | 3/7 | 1:07 |
| 24‑Oct‑2022 | Basel | Hard | R16 | 28 | 9 | (3)Felix Auger Aliassime [CAN] d. Kecmanovic | 6-1 6-0 | (ch) | 0.34 | 0.0% | 2.9% | 64.7% | 40.9% | 25.0% | 2/7 | 0:49 |
| 3‑Oct‑2022 | Tokyo | Hard | QF | 33 | 19 | (4)Frances Tiafoe [USA] d. Kecmanovic | 6-0 6-4 | | 0.64 | 2.0% | 4.0% | 50.0% | 56.0% | 44.0% | 6/10 | 1:11 |
| 27‑Jun‑2022 | Wimbledon | Grass | R32 | 30 | 3 | (1)Novak Djokovic [SRB] d. (25)Kecmanovic | 6-0 6-3 6-4 | | 0.51 | 1.1% | 5.4% | 64.5% | 56.7% | 39.4% | 8/14 | 1:53 |
| 1‑Mar‑2021 | Buenos Aires | Clay | SF | 42 | 9 | (1)Diego Schwartzman [ARG] d. (4)Kecmanovic | 6-0 6-4 | | 0.64 | 0.0% | 3.8% | 53.8% | 50.0% | 50.0% | 8/12 | 1:22 |
| 5‑Jan‑2021 | Antalya | Hard | R32 | 42 | 75 | Stefano Travaglia [ITA] d. (7)Kecmanovic | 1-6 6-4 6-0 | | 0.86 | 3.9% | 2.6% | 61.8% | 57.4% | 48.3% | 4/9 | 1:32 |
| 28‑Sep‑2020 | Roland Garros | Clay | R128 | 41 | 14 | (12)Diego Schwartzman [ARG] d. Kecmanovic | 6-0 6-1 6-3 | | 0.65 | 1.4% | 5.7% | 61.4% | 44.2% | 29.6% | 5/14 | 1:47 |
