27‑Sep‑2021 | Sofia | Hard | QF | 125 | 37 | (5)Filip Krajinovic [SRB] d. (LL)Majchrzak | 6-3 4-6 6-3 | | 0.85 | 13.4% | 4.1% | 61.9% | 68.3% | 45.9% | 8/11 | 2:13 |
27‑Sep‑2021 | Sofia | Hard | R16 | 125 | 226 | (LL)Majchrzak d. (WC)Dimitar Kuzmanov [BUL] | 7-5 6-1 | | 1.36 | 4.5% | 1.5% | 62.1% | 73.2% | 48.0% | 5/6 | 1:59 |
30‑Aug‑2021 | US Open | Hard | R128 | 114 | 66 | Emil Ruusuvuori [FIN] d. (Q)Majchrzak | 6-4 6-2 3-6 6-1 | | 0.82 | 5.9% | 1.0% | 55.4% | 64.3% | 57.8% | 7/12 | 2:37 |
24‑Jul‑2021 | Tokyo Olympics | Hard | R64 | 115 | 50 | Miomir Kecmanovic [SRB] d. Majchrzak | 6-4 6-2 | | | | | | | | | |
31‑May‑2021 | Roland Garros | Clay | R64 | 126 | 16 | (15)Casper Ruud [NOR] d. Majchrzak | 6-3 6-2 6-4 | | 0.70 | 1.2% | 1.2% | 60.7% | 60.8% | 39.4% | 4/10 | 1:53 |
31‑May‑2021 | Roland Garros | Clay | R128 | 126 | 452 | Majchrzak d. (WC)Arthur Cazaux [FRA] | 6-4 2-6 6-4 6-4 | | 1.08 | 8.7% | 1.4% | 55.1% | 65.8% | 56.5% | 8/12 | 3:30 |
17‑May‑2021 | Lyon | Clay | R16 | 129 | 26 | (8)Karen Khachanov [RUS] d. (Q)Majchrzak | 7-6(4) 6-3 | | 0.87 | 11.7% | 0.0% | 66.7% | 82.5% | 30.0% | 2/4 | 1:27 |
17‑May‑2021 | Lyon | Clay | R32 | 129 | 110 | (Q)Majchrzak d. (Q)Joao Sousa [POR] | 6-3 7-6(8) | | 1.26 | 4.1% | 1.4% | 57.5% | 81.0% | 54.8% | 4/5 | 1:36 |
10‑May‑2021 | Rome Masters | Clay | R64 | 129 | 14 | (13)Denis Shapovalov [CAN] d. (Q)Majchrzak | 6-1 6-3 | | 0.55 | 1.8% | 5.5% | 58.2% | 40.6% | 47.8% | 4/9 | 1:06 |
5‑Mar‑2021 | Davis Cup WG2 R1: POL vs ESA | Hard | RR | 111 | | Majchrzak d. Lluis Miralles [ESP] | 6-0 6-0 | | | | | | | | | |
8‑Feb‑2021 | Australian Open | Hard | R128 | 109 | 41 | Miomir Kecmanovic [SRB] d. Majchrzak | 6-2 6-4 6-3 | | 0.62 | 7.4% | 6.3% | 68.4% | 63.1% | 43.3% | 4/9 | 1:44 |
1‑Feb‑2021 | Great Ocean Road Open | Hard | R32 | 109 | 159 | Botic Van De Zandschulp [NED] d. (PR)Majchrzak | 6-4 3-6 6-4 | | 0.76 | 2.9% | 1.9% | 69.9% | 73.6% | 32.3% | 3/6 | 1:52 |
1‑Feb‑2021 | Great Ocean Road Open | Hard | R64 | 109 | 56 | (PR)Majchrzak d. (12)Laslo Djere [SRB] | 6-3 6-4 | | 1.12 | 8.7% | 2.9% | 75.4% | 75.0% | 47.1% | 5/5 | 1:09 |