![Karin Knapp of Italy returns a shot to Frederica Piedade of Portugal during a match at the Estoril Open Tennis Tournament in Lisbon April 14, 2008. REUTERS/Hugo Correia (PORTUGAL Stock Photo - Alamy Karin Knapp of Italy returns a shot to Frederica Piedade of Portugal during a match at the Estoril Open Tennis Tournament in Lisbon April 14, 2008. REUTERS/Hugo Correia (PORTUGAL Stock Photo - Alamy](https://c8.alamy.com/comp/2D2DP8J/karin-knapp-of-italy-returns-a-shot-to-frederica-piedade-of-portugal-during-a-match-at-the-estoril-open-tennis-tournament-in-lisbon-april-14-2008-reutershugo-correia-portugal-2D2DP8J.jpg)
Karin Knapp of Italy returns a shot to Frederica Piedade of Portugal during a match at the Estoril Open Tennis Tournament in Lisbon April 14, 2008. REUTERS/Hugo Correia (PORTUGAL Stock Photo - Alamy
![Karin Knapp - Advantage Tennis Photo site, view and purchase photos of the Tennis player Karin Knapp. Karin Knapp - Advantage Tennis Photo site, view and purchase photos of the Tennis player Karin Knapp.](https://www.advantage-tennis.com/knapp-karin/702__8799.jpg)
Karin Knapp - Advantage Tennis Photo site, view and purchase photos of the Tennis player Karin Knapp.
![Karin Knapp - Advantage Tennis Photo site, view and purchase photos of the Tennis player Karin Knapp. Karin Knapp - Advantage Tennis Photo site, view and purchase photos of the Tennis player Karin Knapp.](https://www.advantage-tennis.com/knapp-karin/601_9357.jpg)