| Yokkaichi challenger | Round | Result | H | A | 
		
			| 29.11. |  | Mochi / Sakam - Merin / Negri | QF | 3-6, 7-63, 10-7 | 2.77 | 1.39 | 
		
			| 28.11. |  | Merin / Negri - Imamu / Uchid | R16 | 4-6, 6-2, 10-8 | 1.48 | 2.50 | 
		
			| Yokohama challenger | Round | Result | H | A | 
		
			| 22.11. |  | Nam J / Romio - Merin / Negri | R16 | 5-7, 6-4, 10-4 | 1.65 | 2.10 | 
		
			| Kobe challenger | Round | Result | H | A | 
		
			| 15.11. |  | Kirko / Steve - Merin / Negri | SF | 6-4, 6-2 | 2.05 | 1.70 | 
		
			| 14.11. |  | Merin / Negri - Steve / Willi | QF | 6-4, 6-4 | 2.48 | 1.49 | 
		
			| 13.11. |  | Merin / Negri - Uchiy / Watan | R16 | 64-7, 7-65, 10-6 | 1.95 | 1.76 | 
		
			| Matsuyama challenger | Round | Result | H | A | 
		
			| 06.11. |  | Schoo / Tu L. - Merin / Negri | R16 | 7-62, 6-2 | 1.89 | 1.80 | 
		
			| Valencie challenger | Round | Result | H | A | 
		
			| 12.10. |  | Merin / Negri - Drzew / Matus | F | 6-3, 6-4 | 2.36 | 1.53 | 
		
			| 11.10. |  | Merin / Negri - Arrib / Cabra | SF | 6-4, 63-7, 10-8 | 3.93 | 1.21 | 
		
			| 10.10. |  | Merin / Negri - Corne / Molch | QF | 6-3, 6-3 | 2.13 | 1.65 | 
		
			| 09.10. |  | Merin / Negri - Berge / Veldh | R16 | 7-66, 6-3 | 2.09 | 1.67 | 
		
			| Villena challenger | Round | Result | H | A | 
		
			| 03.10. |  | Arneo / Cerva - Merin / Negri | QF | 7-63, 6-4 | 1.54 | 2.28 | 
		
			| 01.10. |  | Merin / Negri - Arend / Johns | R16 | 6-1, 3-6, 10-8 | 5.03 | 1.14 | 
		
			| Sibiu challenger | Round | Result | H | A | 
		
			| 21.09. |  | Merin / Negri - Draxl / Harpe | F | 6-2, 7-62 | 2.10 | 1.67 | 
		
			| 20.09. |  | Merin / Negri - Vansh / White | SF | 6-4, 7-65 | 1.59 | 2.24 | 
		
			| 19.09. |  | Merin / Negri - Barto / Gea A | QF | 6-3, 7-5 | 1.51 | 2.44 | 
		
			| 18.09. |  | Merin / Negri - Horve / Okonk | R16 | 6-4, 6-4 | 1.40 | 2.68 | 
		
			| Dobrich 2 challenger | Round | Result | H | A | 
		
			| 13.09. |  | Maest / Roman - Merin / Negri | QF | 7-5, 6-3 | 1.89 | 1.83 | 
		
			| 12.09. |  | Merin / Negri - Alcal / Marti | R16 | 6-2, 6-1 | 1.20 | 4.09 | 
		
			| Futures 2024 | Round | Result | H | A | 
		
			| 29.08. |  | Nikle / Wenge - Merin / Negri | QF | 7-5, 6-0 | 1.82 | 1.83 | 
		
			| 28.08. |  | Merin / Negri - Gaill / Simme | R16 | 6-0, 7-5 | 1.02 | 10.00 | 
		
			| Dobrich challenger | Round | Result | H | A | 
		
			| 24.08. |  | Merin / Negri - Corne / Kirki | F | 6-4, 6-2 | 2.58 | 1.42 | 
		
			| 23.08. |  | Merin / Negri - Genov / Orlov | SF | 6-2, 3-6, 10-7 | 2.03 | 1.72 | 
		
			| 22.08. |  | Merin / Negri - Dinev / Nedel | QF | 66-7, 6-4, 10-8 | 1.41 | 2.74 | 
		
			| 21.08. |  | Merin / Negri - Habib / Pavel | R16 | 6-3, 6-3 | 1.72 | 2.00 | 
		
			| Futures 2024 | Round | Result | H | A | 
		
			| 16.08. |  | Nikle / Wenge - Merin / Negri | SF | 6-3, 6-2 | 2.07 | 1.66 | 
		
			| 15.08. |  | Merin / Negri - Lopez / Marti | QF | 6-3, 6-0 | 1.28 | 3.25 | 
		
			| 14.08. |  | Merin / Negri - Cabre / Chauh | R16 | 6-2, 6-0 | 1.01 | 12.67 | 
		
			| 02.08. |  | Brosk / Ramsk - Merin / Negri | SF | 6-3, 6-4 | 2.44 | 1.49 | 
		
			| 01.08. |  | Merin / Negri - Kuder / Willi | QF | 3-6, 6-2, 10-6 | 1.21 | 3.83 | 
		
			| Blois challenger | Round | Result | H | A | 
		
			| 19.06. |  | Berto / Geert - Merin / Negri | R16 | 6-4, 6-4 | 1.57 | 2.26 | 
		
			| Futures 2024 | Round | Result | H | A | 
		
			| 14.06. |  | Added / Reymo - Merin / Negri | SF | 6-1, 6-2 | 1.83 | 1.83 | 
		
			| 13.06. |  | Merin / Negri - Denol / Lacid | QF | 6-2, 6-1 | 1.17 | 4.34 | 
		
			| 12.06. |  | Merin / Negri - Festi / Pusto | R16 | 6-0, 6-3 |  |  | 
		
			| 01.06. |  | Gomez / Valle - Merin / Negri | F | 6-3, 7-5 | 1.61 | 2.16 | 
		
			| 31.05. |  | Merin / Negri - Vatut / Zgiro | SF | 6-1, 7-64 | 1.48 | 2.45 | 
		
			| 30.05. |  | Merin / Negri - Papam / Ponch | QF | 6-4, 6-4 | 1.12 | 5.26 | 
		
			| 28.05. |  | Merin / Negri - Favre / Le Ho | R16 | 6-2, 6-0 | 1.00 | 26.00 | 
		
			| 21.05. |  | Beaup / Gadam - Merin / Negri | R16 | 3-6, 6-4, 10-6 | 2.17 | 1.92 | 
		
			| Tunis challenger | Round | Result | H | A | 
		
			| 16.05. |  | Gomez / Willi - Merin / Negri | QF | 65-7, 6-2, 10-7 | 1.28 | 3.39 | 
		
			| 15.05. |  | Merin / Negri - Hardt / Taylo | R16 | 6-1, 7-5 | 1.64 | 2.09 | 
		
			| Barcelona challenger | Round | Result | H | A | 
		
			| 02.04. |  | Schna / Walln - Merin / Negri | R16 | 4-6, 7-5, 10-7 | 1.14 | 4.90 | 
		
			| Futures 2024 | Round | Result | H | A | 
		
			| 15.03. |  | Cina / De Mi - Merin / Negri | SF | 6-3, 3-6, 10-3 | 4.10 | 1.19 | 
		
			| 14.03. |  | Merin / Negri - Chiu / De Jo | QF | 6-3, 6-4 | 1.08 | 6.35 | 
		
			| 12.03. |  | Merin / Negri - Fauco / Loge | R16 | 6-2, 6-2 | 1.10 | 5.82 | 
		
			| 09.03. |  | Merin / Negri - Kudri / Loban | F | 7-64, 4-6, 10-4 | 1.28 | 3.29 | 
		
			| 08.03. |  | Merin / Negri - Beaup / Loge | SF | 6-4, 6-3 | 1.19 | 4.14 | 
		
			| 07.03. |  | Merin / Negri - Fauco / Pietr | QF | 6-3, 6-0 | 1.10 | 5.80 | 
		
			| 06.03. |  | Merin / Negri - Andri / Freir | R16 | 6-4, 6-1 | 1.04 | 8.62 | 
		
			| 03.03. |  | Merin / Negri - Karol / Simon | F | 7-63, 6-3 | 1.32 | 3.07 | 
		
			| 02.03. |  | Merin / Negri - Kudri / Loban | SF | 6-3, 7-62 | 1.45 | 2.40 | 
		
			| 01.03. |  | Merin / Negri - Beaup / Fauco | QF | 6-4, 7-64 | 1.12 | 5.24 | 
		
			| 27.02. |  | Merin / Negri - Brown / Clark | R16 | 68-7, 6-3, 10-7 | 1.14 | 4.79 | 
		
			| 24.02. |  | Merin / Negri - Karol / Paul | F | 6-3, 6-3 | 1.83 | 1.83 | 
		
			| 23.02. |  | Merin / Negri - Kudri / Loban | SF | 6-3, 6-4 | 1.48 | 2.44 | 
		
			| 22.02. |  | Merin / Negri - Stepa / Zhu M | QF | 6-3, 6-4 | 1.19 | 4.17 | 
		
			| 22.02. |  | Merin / Negri - Brown / Clark | R16 | 6-3, 6-4 | 1.34 | 2.95 |