Stadium: C.2 Round: 25 Ground: Synthetic outdoor
| ITF Japan F4 | 2018/03/27 03:00 | Takeuchi, Kento (1987) v 카타야마, 쇼 | 6-4,4-6,5-7 |
| ITF Japan F4 | 2015/04/01 01:00 | 카타야마, 쇼 v Takeuchi, Kento (1987) | 3-6,3-6 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/07 01:35 | 카타야마, 쇼 v 에하라, 히로야스 | 3-6,4-6 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/06 00:00 | 카타야마, 쇼 v 타케다, 나오키 | 7-6,6-1 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/04 01:55 | 카타야마, 쇼 v 마사바야시, 토모히로 | 6-4,7-6 |
| Matsuyama, Singles M-ITF-JPN-06A | 2019/04/10 03:30 | 니키, 타쿠토 v 카타야마, 쇼 | 6-2,6-3 |
| Kofu, Singles Qualifying M-ITF-JPN-03A | 2019/03/21 04:40 | 니키, 타쿠토 v 카타야마, 쇼 | 4-6,7-6,6-4 |
| Kofu, Singles Qualifying M-ITF-JPN-03A | 2019/03/20 07:15 | 와타나베, 세이타 v 카타야마, 쇼 | 3-6,2-6 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2019/03/12 03:20 | 타누마, 리요타 v 카타야마, 쇼 | 6-4,2-6,10-5 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2019/03/11 01:00 | 탕그, 소타 v 카타야마, 쇼 | 3-6,3-6 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/08 00:00 | 키쿠치, 겐고 v Takeuchi, Kento (1987) | 6-2,7-5 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/07 00:00 | Takeuchi, Kento (1987) v 폰티코, 휴고 | 6-4,6-4 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/06 00:00 | Takeuchi, Kento (1987) v 최, 성리 | 7-5,6-1 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/05 00:00 | Takeuchi, Kento (1987) v 칼드웰, 매슨 | 6-0,6-2 |
| Karuizawa, Singles M-ITF-JPN-07A | 2019/05/31 01:00 | Takeuchi, Kento (1987) v 모리타니, 소이치로 | 3-6,3-6 |
| Karuizawa, Singles M-ITF-JPN-07A | 2019/05/30 01:00 | Takeuchi, Kento (1987) v 쿠마사카, 타쿠야 | 5-7,6-2,6-4 |
| Karuizawa, Singles M-ITF-JPN-07A | 2019/05/28 01:00 | Takeuchi, Kento (1987) v 리안 지에간, 삼 | 6-3,6-3 |
| Luan, Singles M-ITF-CHN-06A | 2019/05/16 03:30 | Takeuchi, Kento (1987) v 니키, 타쿠토 | 4-6,7-6,1-6 |