If you can hit consistently and able to control the direction, the next improvement will be power.
Tennis Lesson in East Coast/ Marine Parade ( Laguna Green, Laguna Park, Villa Marina, Eastern Lagoon, , Casafina, Mandarin Garden, Seaside Residence, Bedok residence, Bayshore, Costa Del Sol, Seaside residences, Silversea residences, Shore residences, Tanamera, The Cape, Kallang)