Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF - W15 Sharm El Sheikh | 2021/03/25 08:40 | Dalila Spiteri v Paulenka, Katyarina | 6-2,6-1 |
| ITF - W15 Sharm El Sheikh | 2021/03/24 12:15 | Matusova, Barbora v Paulenka, Katyarina | 6-7,2-6 |
| ITF - W15 Sharm El Sheikh | 2021/03/23 07:00 | Lauren Proctor v Paulenka, Katyarina | 4-6,0-6 |
| ITF - W15 Sharm El Sheikh | 2021/03/22 10:00 | Thommen, Aline v Paulenka, Katyarina | 6-7,0-6 |
| ITF - W15 Sharm El Sheikh | 2021/03/21 12:30 | Nadine Keller v Paulenka, Katyarina | 4-6,1-6 |
| ITF - W15 Shymkent | 2021/02/09 10:20 | Paulenka, Katyarina v Tatyana Nikolenko | 3-6,2-6 |
| ITF - W15 Shymkent | 2021/02/04 04:00 | Paulenka, Katyarina v Mishina, Daria | 1-6,3-6 |
| ITF - W15 Shymkent | 2021/02/03 06:25 | Paulenka, Katyarina v Mariya Dolzhenko | 7-6,6-1 |
| ITF W25 Hamamatsu | 2019/10/16 01:00 | Paula Badosa v Sawayanagi, Riko | 6-4,6-1 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/20 03:15 | Sawayanagi, Riko v Mana Ayukawa | 1-6,3-6 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/19 03:40 | Susan Bandecchi v Sawayanagi, Riko | 5-7,4-6 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/18 01:00 | Sawayanagi, Riko v Inoue, Miyabi | 6-3,4-6,6-3 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/17 04:10 | Sawayanagi, Riko v Kisa Yoshioka | 6-1,6-1 |
| ITF Women Nanao | 2018/08/29 06:40 | Shiho Akita v Sawayanagi, Riko | 6-7,6-1,7-5 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/21 00:30 | Sawayanagi, Riko v Momoko Kobori | 4-6,3-6 |
| ITF Women Toyota Qual | 2018/03/11 03:30 | Sawayanagi, Riko v Iwai, Mayu | 6-0,1-6,2-6 |