On the sidelines of Roland Garros Junior Wild Card Series tournament, former tennis player Mary Pierce on Tuesday said that India has a lot of potential and can produce future grand slam champions."I have not seen much of the other young Indian tennis player playing and I'm looking for discovering them here at this event but like I said I really believe that there is a lot of potential in this country and there can be more future grand slam champions," Pierce told ANI."I am be happy to be here and very excited as an ambassador for 2020 Roland Garros Junior Wild Card series, It is great idea and It's a wonderful initiative, I think it's inspiring for these young players and it's going to motivate them as well and promote Roland Garros promote in India," Pierce said.The 45-year-old Pierce said that India should build more clay courts so that young tennis player can train on them and win Roland Garros title in future."Hopefully to get more clay courts in India as I believe clay court is .