| ITF Women Tsukuba | 08/25 00:40 | 27 | [299] Erika Sema v Ling Zhang [476] | 6-2,4-6,5-7 | |
| ITF Women Tsukuba | 08/24 00:40 | 26 | [299] Erika Sema v Chieh-Yu Hsu [351] | 7-5,6-2 | |
| ITF Women Tsukuba | 08/23 00:40 | 25 | [299] Erika Sema v Haruna Arakawa [464] | 6-4,6-2 | |
| ITF Women Landisville | 08/10 14:00 | 26 | [301] Erika Sema v Mari Osaka [334] | 7-5,2-6,4-6 | |
| ITF Women Landisville | 08/09 14:00 | 25 | Erika Sema v Emiliana Arango | 6-2,6-3 | |
| WTA Washington Qual | 07/30 14:00 | 45 | [76] Heather Watson v Erika Sema [303] | 6-2,5-7,6-3 | |
| ITF Women Granby | 07/26 21:15 | 25 | [303] Erika Sema v Marie Bouzkova [182] | 3-6,3-6 | |
| ITF Women Tianjin | 07/18 02:00 | 25 | [311] Erika Sema v Jing-Jing Lu [313] | 2-6,2-6 | |
| ITF Women Naiman | 07/14 03:20 | 27 | [477] Miyabi Inoue v Erika Sema [306] | 7-5,6-2 | |
| ITF Women Naiman | 07/13 04:45 | 26 | Erika Sema v Yanni Liu | 6-4,6-2 | |
| ITF Women Naiman | 07/11 02:00 | 25 | [306] Erika Sema v Shiho Akita [244] | 4-6,6-4,6-1 | |
| ITF Women Kofu | 06/17 03:05 | 28 | [490] Olivia Tjandramulia v Erika Sema [350] | 4-6,6-4,7-6 | |
| ITF Women Kofu | 06/16 02:45 | 27 | [329] Yuuki Tanaka v Erika Sema [350] | 4-6,4-6 | |
| ITF Women Kofu | 06/15 02:05 | 26 | [459] Miyabi Inoue v Erika Sema [350] | 3-6,3-6 | |
| ITF Women Kofu | 06/14 02:55 | 25 | [488] Ayaka Okuno v Erika Sema [350] | Retired | |
| ITF Women Tokyo | 06/10 02:00 | 28 | [362] Erika Sema v Peangtarn Plipuech [232] | 6-1,2-6,1-6 | |
| ITF Women Tokyo | 06/09 03:45 | 27 | [272] Shuko Aoyama v Erika Sema [362] | 0-6,2-6 | |
| ITF Women Tokyo | 06/08 04:00 | 26 | [362] Erika Sema v Junri Namigata [261] | 6-3,1-6,6-4 | |
| ITF Women Tokyo | 06/07 01:00 | 25 | Mihoki Miyahara v Erika Sema | 1-6,1-6 | |
| ITF Women Wuhan | 06/02 02:00 | 27 | [362] Erika Sema v Sofia Shapatava [228] | 2-6,2-6 | |
| ITF Women Wuhan | 06/01 02:00 | 26 | Erika Sema v Alison Bai | 6-1,7-6 | |
| ITF Women Wuhan | 05/31 02:00 | - | [362] Erika Sema v Alison Bai [464] | 6-1,7-6 | |
| ITF Women Wuhan | 05/30 03:35 | 25 | Giulia Gatto Monticone v Erika Sema | 1-6,7-6,1-6 | |
| ITF Women Luan | 05/25 04:20 | 26 | [371] Erika Sema v Fangzhou Liu [139] | 2-6,4-6 | |
| ITF Women Luan | 05/24 07:50 | 25 | [308] Giulia G-Monticone v Erika Sema [371] | 0-6,5-7 | |
| ITF Women Kurume | 05/16 02:25 | 25 | [353] Erika Sema v Olivia Tjandramulia [351] | 2-6,7-5,1-6 | |
| ITF Women Fukuoka | 05/10 01:00 | 25 | [139] Su Jeong Jang v Erika Sema [350] | 4-6,7-5,6-1 | |
| ITF Women Gifu | 05/03 02:30 | 25 | [326] Erika Sema v Kyoka Okamura [260] | 6-2,5-7,6-7 | |
| ITF Women Gifu Qual | 05/01 03:00 | 54 | Erika Sema v Nagi Hanatani | 6-1,6-1 | |
| ITF Women Gifu Qual | 04/30 07:20 | 54 | [326] Erika Sema v Jessica Moore [489] | 4-6,6-2,6-4 |
Erika Sema (Japans: 瀬間 詠里花, Sema Erika) (Tokio, 24 november 1988) is een tennisspeelster uit Japan.
Ze begon op zevenjarige leeftijd met het spelen van tennis.