Head to Head
| Thailand Open - Kobiety | 2019/07/31 09:10 | Sayaka Takahashi v Ruselli Hartawan | W | 2-0 |
| Tong Yun Kai Cup Women | 2019/03/23 05:30 | Sayaka Takahashi v Ruselli Hartawan | W | 2-0 |
Home History
| Asia Team Championships - Kobiety | 2020/02/13 03:00 | Sayaka Takahashi v Jin Wei Goh | W | 2-0 |
| Thailand Masters - Kobiety | 2020/01/24 06:40 | Carolina Marin v Sayaka Takahashi | L | 2-0 |
| Thailand Masters - Kobiety | 2020/01/23 07:05 | Sayaka Takahashi v Yanyan Cai | W | 2-1 |
| Thailand Masters - Kobiety | 2020/01/22 06:00 | Sayaka Takahashi v Yiman Zhang | W | 2-1 |
| Indonesia Masters - Kobiety | 2020/01/17 03:00 | Sayaka Takahashi v Zhiyi Wang | L | 0-2 |
| Indonesia Masters - Kobiety | 2020/01/16 06:30 | Sayaka Takahashi v Pusarla V. Sindhu | W | 2-1 |
| Indonesia Masters - Kobiety | 2020/01/15 08:35 | Sayaka Takahashi v Saina Nehwal | W | 2-1 |
| Malaysia Masters - Kobiety | 2020/01/09 08:50 | Nozomi Okuhara v Sayaka Takahashi | L | 2-0 |
Away History
| Asia Team Championships - Kobiety | 2020/02/13 03:00 | Pornpawee Chochuwong v Ruselli Hartawan | L | 2-1 |
| Asia Team Championships - Kobiety | 2020/02/12 03:00 | Ruselli Hartawan v Maria B.Y. Carlos | W | 2-0 |
| Thailand Masters - Kobiety | 2020/01/22 05:15 | Kirsty Gilmour v Ruselli Hartawan | L | 2-0 |
| Indonesia Masters - Kobiety | 2020/01/15 08:35 | Ruselli Hartawan v Michelle Li | L | 0-2 |
| Indonesia Masters - Kobiety - Kwalifikacje | 2020/01/14 06:10 | Yu Po Pai v Ruselli Hartawan | W | 0-2 |
| Malaysia Masters - Kobiety | 2020/01/09 07:10 | Bingjiao He v Ruselli Hartawan | L | 2-0 |
| Malaysia Masters - Kobiety | 2020/01/08 05:15 | Ruselli Hartawan v Jia Min Yeo | W | 2-1 |
| Malaysia Masters - Kobiety - Kwalifikacje | 2020/01/07 05:00 | Yu Po Pai v Ruselli Hartawan | W | 1-2 |