11‑Dec‑2023 | M15 Sharm ElSheikh | Hard | R16 | 731 | 363 | (2)Samuel Vincent Ruggeri [ITA] d. Parker | 6-2 6-2 | | | | | | | | | |
11‑Dec‑2023 | M15 Sharm ElSheikh | Hard | R32 | 731 | 1081 | Parker d. Faris Zakaryia [EGY] | 6-2 1-6 6-3 | | | | | | | | | |
23‑Oct‑2023 | M15 Heraklion | Hard | R16 | 685 | 419 | (4)Guy Den Ouden [NED] d. Parker | 3-0 RET | | | | | | | | | |
23‑Oct‑2023 | M15 Heraklion | Hard | R32 | 685 | 1149 | Parker d. (Q)Stylianos Christodoulou [CYP] | 7-5 7-5 | | | | | | | | | |
16‑Oct‑2023 | M15 Heraklion | Hard | SF | 692 | 772 | (7)Alexandros Skorilas [GRE] d. (5)Parker | 6-4 6-3 | | | | | | | | | |
16‑Oct‑2023 | M15 Heraklion | Hard | QF | 692 | 668 | (5)Parker d. (3)Gabriel Decamps [BRA] | 4-6 6-3 6-3 | | | | | | | | | |
16‑Oct‑2023 | M15 Heraklion | Hard | R16 | 692 | 1692 | (5)Parker d. (Q)Kenneth Raisma [EST] | 6-3 6-3 | | | | | | | | | |
16‑Oct‑2023 | M15 Heraklion | Hard | R32 | 692 | | (5)Parker d. (Q)Jacob Kahoun [SUI] | 6-3 6-1 | | | | | | | | | |
2‑Oct‑2023 | M15 Sharm ElSheikh | Hard | F | 745 | 459 | (2)Mohamed Safwat [EGY] d. (7)Parker | 7-5 7-5 | | | | | | | | | |
2‑Oct‑2023 | M15 Sharm ElSheikh | Hard | SF | 745 | 1061 | (7)Parker d. Henry Searle [GBR] | 6-1 6-1 | | | | | | | | | |
2‑Oct‑2023 | M15 Sharm ElSheikh | Hard | QF | 745 | 1426 | (7)Parker d. Mees Rottgering [NED] | 7-5 6-4 | | | | | | | | | |
2‑Oct‑2023 | M15 Sharm ElSheikh | Hard | R16 | 745 | 791 | (7)Parker d. Boris Butulija [SRB] | 6-2 6-4 | | | | | | | | | |
2‑Oct‑2023 | M15 Sharm ElSheikh | Hard | R32 | 745 | 1488 | (7)Parker d. (Q)Sean Van Rensburg [AUS] | 6-2 5-1 RET | | | | | | | | | |
25‑Sep‑2023 | M15 Sharm ElSheikh | Hard | F | 745 | 464 | (2)Mohamed Safwat [EGY] d. (6)Parker | 6-2 3-6 6-3 | | | | | | | | | |
25‑Sep‑2023 | M15 Sharm ElSheikh | Hard | SF | 745 | 1199 | (6)Parker d. Stylianos Christodoulou [CYP] | 7-6(1) 4-6 6-2 | | | | | | | | | |
25‑Sep‑2023 | M15 Sharm ElSheikh | Hard | QF | 745 | 426 | (6)Parker d. (1)Sasi Kumar Mukund [IND] | 6-4 6-3 | | | | | | | | | |
25‑Sep‑2023 | M15 Sharm ElSheikh | Hard | R16 | 745 | 1793 | (6)Parker d. (Q)David Quayle [GBR] | 6-4 7-6(4) | | | | | | | | | |
25‑Sep‑2023 | M15 Sharm ElSheikh | Hard | R32 | 745 | 829 | (6)Parker d. Andrea Bacaloni [ITA] | 6-3 6-0 | | | | | | | | | |
18‑Sep‑2023 | M25 Setubal | Hard | R32 | 739 | 482 | Jaime Faria [POR] d. Parker | 7-6(5) 6-2 | | | | | | | | | |
24‑Jul‑2023 | M25 Porto | Hard | R32 | 448 | | (Q)Nuno Pinheiro [POR] d. (6)Parker | 6-2 7-6(5) | | | | | | | | | |
3‑Jul‑2023 | Wimbledon | Grass | Q1 | 429 | 110 | (7)James Duckworth [AUS] d. (WC)Parker | 4-6 6-3 6-1 | | 0.72 | 16.2% | 4.1% | 74.3% | 67.3% | 31.6% | 8/13 | 1:28 |
19‑Jun‑2023 | Ilkley CH | Grass | Q1 | 420 | 162 | (6)Juncheng Shang [CHN] d. (WC)Parker | 6-7(5) 6-3 6-4 | | 0.87 | 17.2% | 0.0% | 68.8% | 73.4% | 51.7% | 2/5 | 2:18 |
12‑Jun‑2023 | Nottingham CH | Grass | Q2 | 427 | 176 | (4)Juncheng Shang [CHN] d. (Alt)Parker | 7-6(5) 1-6 7-6(5) | | 1.18 | 16.0% | 0.9% | 67.0% | 71.8% | 60.0% | 2/4 | 2:31 |
12‑Jun‑2023 | Nottingham CH | Grass | Q1 | 427 | 277 | (Alt)Parker d. (12)Daniel Rincon [ESP] | 6-4 6-3 | | 1.13 | 9.0% | 3.8% | 66.7% | 71.2% | 50.0% | 8/9 | 1:24 |
5‑Jun‑2023 | Surbiton CH | Grass | Q1 | 441 | 244 | (9)Abedallah Shelbayh [JOR] d. (Alt)Parker | 6-4 7-6(7) | | 0.87 | 0.0% | 1.4% | 55.6% | 20.0% | 37.5% | 6/16 | 1:31 |
29‑May‑2023 | M25 Jablonec nad Nisou | Clay | QF | 441 | 303 | (3)Lukas Neumayer [AUT] d. (8)Parker | 6-3 6-3 | | | | | | | | | |
29‑May‑2023 | M25 Jablonec nad Nisou | Clay | R16 | 441 | 717 | (8)Parker d. (WC)Hynek Barton [CZE] | 6-4 6-2 | | | | | | | | | |
29‑May‑2023 | M25 Jablonec nad Nisou | Clay | R32 | 441 | 1056 | (8)Parker d. (WC)Daniel Siniakov [CZE] | 6-0 6-2 | | | | | | | | | |
22‑May‑2023 | M25 Most | Clay | R16 | 434 | 470 | Mats Moraing [GER] d. (5)Parker | 6-3 6-2 | | | | | | | | | |
22‑May‑2023 | M25 Most | Clay | R32 | 434 | | (5)Parker d. (Q)Robert Rumler [CZE] | 3-6 7-6(5) 6-1 | | | | | | | | | |
15‑May‑2023 | M25 Prague | Clay | R32 | 385 | 386 | Andrew Paulson [CZE] d. Parker | 6-2 3-6 6-3 | | | | | | | | | |
1‑May‑2023 | M25 Nottingham | Hard | R32 | 389 | 588 | Yusuke Takahashi [JPN] d. (5)Parker | 2-6 6-0 6-1 | | | | | | | | | |
24‑Apr‑2023 | M25 Nottingham | Hard | R16 | 389 | 620 | Alec Deckers [NED] d. (2)Parker | 6-1 6-4 | | | | | | | | | |
24‑Apr‑2023 | M25 Nottingham | Hard | R32 | 389 | 536 | (2)Parker d. Harry Wendelken [GBR] | 6-4 7-5 | | | | | | | | | |
20‑Feb‑2023 | Rovereto CH | Hard | Q1 | 380 | 457 | Mathias Bourgue [FRA] d. (9)Parker | 6-2 6-2 | | 0.75 | 4.3% | 4.3% | 68.1% | 59.4% | 53.3% | 3/7 | 1:16 |
13‑Feb‑2023 | Cherbourg CH | Hard | Q1 | 367 | 423 | Mathias Bourgue [FRA] d. (11)Parker | 6-3 3-6 6-2 | | 0.75 | 5.2% | 1.0% | 65.6% | 73.0% | 33.3% | 9/12 | 2:07 |
16‑Jan‑2023 | Nonthaburi 3 CH | Hard | R32 | 369 | 265 | (Q)Arthur Cazaux [FRA] d. (Q)Parker | 7-6(1) 6-4 | | 0.78 | 4.0% | 2.7% | 61.3% | 65.2% | 55.2% | 10/12 | 1:53 |
16‑Jan‑2023 | Nonthaburi 3 CH | Hard | Q2 | 369 | 530 | (9)Parker d. (Alt)Makoto Ochi [JPN] | 7-6(3) 7-6(3) | | 1.23 | 11.8% | 2.4% | 60.0% | 80.4% | 58.8% | 6/7 | 2:08 |
16‑Jan‑2023 | Nonthaburi 3 CH | Hard | Q1 | 369 | 1587 | (9)Parker d. (WC)Puriwat Chatpatcharoen [THA] | 6-3 5-5 RET | | 1.92 | 9.6% | 1.9% | 67.3% | 85.7% | 70.6% | 1/1 | 1:15 |
9‑Jan‑2023 | Nonthaburi 2 CH | Hard | Q2 | 372 | 396 | (9)Jason Jung [TPE] d. (5)Parker | 6-3 7-5 | | 0.83 | 10.1% | 0.0% | 63.8% | 61.4% | 52.0% | 7/10 | 1:51 |
9‑Jan‑2023 | Nonthaburi 2 CH | Hard | Q1 | 372 | 421 | (5)Parker d. Federico Gaio [ITA] | 4-6 6-2 7-6(1) | | 1.32 | 7.1% | 4.8% | 59.5% | 84.0% | 55.9% | 1/3 | 2:11 |
2‑Jan‑2023 | Nonthaburi 1 CH | Hard | Q2 | 375 | 393 | (11)Giovanni Fonio [ITA] d. (6)Parker | 6-1 6-4 | | 0.54 | 18.4% | 4.1% | 79.6% | 64.1% | 30.0% | 4/7 | 1:07 |
2‑Jan‑2023 | Nonthaburi 1 CH | Hard | Q1 | 375 | 604 | (6)Parker d. (WC)Kasidit Samrej [THA] | 6-2 6-3 | | 1.38 | 8.6% | 5.2% | 63.8% | 81.1% | 33.3% | 8/9 | 1:22 |