Karin Knapp ITF Circuit finals Singles: 19 (6–13)

| Outcome | No_ | Date_ | Tournament | Surface | Opponent | Score_ |
|---|---|---|---|---|---|---|
| Runner-up | 1. | 6 October 2003 | Bari, Italy | Clay | Bettina Pirker | 6–2, 7–5 |
| Runner-up | 2. | 14 June 2005 | Lenzerheide, Switzerland | Clay | Danica Krstajić | 6–2, 7–5 |
| Runner-up | 3. | 1 May 2006 | Catania, Italy | Clay | María José Martínez Sánchez | 6–3, 4–6, 6–4 |
| Winner | 1. | 25 July 2006 | Monteroni D`Arbia, Italy | Clay | Edina Gallovits-Hall | 6–2, 6–1 |
| Runner-up | 4. | 31 July 2006 | Martina Franca, Italy | Clay | Margalita Chakhnashvili | 6–3, 7–5 |
| Runner-up | 5. | 13 March 2007 | Orange, USA | Hard | Naomi Cavaday | 6–1, 6–1 |
| Runner-up | 6. | 3 April 2007 | Dinan, France | Clay (i) | Maša Zec Peškirič | 6–4, 6–2 |