| 16‑Oct‑2023 | Tokyo | Hard | Q1 | 500 | 103 | (6)Jurij Rodionov [AUT] d. (WC)Moriya | 6-4 5-7 6-3 | | 0.95 | 3.1% | 6.1% | 70.4% | 66.7% | 44.8% | 4/8 | 2:21 |
| 3‑Oct‑2022 | Tokyo | Hard | R16 | 253 | 11 | (3)Taylor Fritz [USA] d. (LL)Moriya | 6-1 3-6 6-4 | | 0.80 | 0.0% | 2.2% | 68.5% | 50.8% | 60.7% | 6/11 | 1:59 |
| 3‑Oct‑2022 | Tokyo | Hard | R32 | 253 | 451 | (LL)Moriya d. (Q)Yuta Shimizu [JPN] | 6-1 6-3 | | 1.57 | 4.0% | 2.0% | 70.0% | 77.1% | 40.0% | 4/5 | 1:19 |
| 3‑Oct‑2022 | Tokyo | Hard | Q2 | 253 | 353 | (8)Sho Shimabukuro [JPN] d. (3)Moriya | 5-7 6-3 6-3 | | 0.87 | 2.6% | 2.6% | 59.0% | 67.4% | 46.9% | 3/8 | 2:02 |
| 3‑Oct‑2022 | Tokyo | Hard | Q1 | 253 | 575 | (3)Moriya d. Yuki Mochizuki [JPN] | 6-3 6-4 | | 1.12 | 1.4% | 1.4% | 64.4% | 76.6% | 53.8% | 5/5 | 1:22 |
| 1‑Oct‑2018 | Tokyo | Hard | Q1 | 190 | 32 | (1)Daniil Medvedev [RUS] d. (ALT)Moriya | 6-3 6-3 | | 0.71 | 0.0% | 0.0% | 48.9% | 68.2% | 56.5% | 3/6 | 1:06 |
| 5‑Oct‑2015 | Tokyo | Hard | Q2 | 208 | 51 | (1)Donald Young [USA] d. Moriya | 6-1 6-4 | | | | | | | | | |
| 5‑Oct‑2015 | Tokyo | Hard | Q1 | 208 | 130 | Moriya d. (8)Yuichi Sugita [JPN] | 6-2 2-6 7-6(1) | | | | | | | | | |
| 29‑Sep‑2014 | Tokyo | Hard | R32 | 161 | 46 | Steve Johnson [USA] d. (Q)Moriya | 7-6(4) 6-2 | | 0.77 | 4.8% | 0.0% | 61.9% | 63.5% | 43.8% | 9/13 | 1:41 |
| 29‑Sep‑2014 | Tokyo | Hard | Q2 | 161 | 146 | (6)Moriya d. (3)James Duckworth [AUS] | 5-7 7-5 6-3 | | 1.09 | 2.7% | 2.7% | 58.4% | 59.1% | 51.1% | 8/14 | 2:22 |
| 29‑Sep‑2014 | Tokyo | Hard | Q1 | 161 | 1226 | (6)Moriya d. (WC)Takao Suzuki [JPN] | 6-4 6-7(6) 6-3 | | 1.11 | 5.4% | 2.7% | 61.6% | 71.0% | 51.2% | 6/9 | 2:34 |
| 30‑Sep‑2013 | Tokyo | Hard | Q1 | 187 | 98 | (8)Michael Russell [USA] d. Moriya | 6-3 7-6(4) | | 0.78 | 0.0% | 2.9% | 54.4% | 56.8% | 51.6% | 4/8 | 1:33 |
| 1‑Oct‑2012 | Tokyo | Hard | R32 | 184 | 16 | (7)Stan Wawrinka [SUI] d. (WC)Moriya | 7-5 4-6 6-4 | | 0.98 | 1.9% | 4.8% | 63.8% | 70.1% | 52.6% | 7/10 | 2:15 |
| 3‑Oct‑2011 | Tokyo | Hard | Q1 | 331 | 116 | (7)Rainer Schuettler [GER] d. (WC)Moriya | 6-3 7-6(1) | | 0.78 | 0.0% | 10.8% | 61.5% | 52.5% | 44.0% | 2/7 | 1:29 |
| 4‑Oct‑2010 | Tokyo | Hard | Q2 | 415 | 174 | (8)Rajeev Ram [USA] d. (WC)Moriya | 4-6 6-4 6-3 | | 0.91 | 7.3% | 1.2% | 78.0% | 67.2% | 66.7% | 1/3 | 1:54 |
| 4‑Oct‑2010 | Tokyo | Hard | Q1 | 415 | 81 | (WC)Moriya d. (1)Ricardo Mello [BRA] | 6-3 1-6 7-6(6) | | 0.99 | 1.1% | 2.2% | 66.3% | 78.0% | 50.0% | 7/9 | 1:52 |
| 5‑Oct‑2009 | Tokyo | Hard | Q1 | 388 | 215 | (8)Rik De Voest [RSA] d. (WC)Moriya | 6-4 7-6(3) | | | | | | | | | |
| 29‑Sep‑2008 | Tokyo Q | Hard | Q1 | 1408 | 334 | (9)Franco Skugor [CRO] d. (WC)Moriya | 6-1 6-4 | | | | | | | | | |