Complex sentence: A knowledgeable ping pong player that Mashiro and Aikawa meet at a ping pong place, she seems courteous enough to strangers and opponents alike, and is willing to offer advice to newer players.
Split into simpler sentences: A knowledgeable ping pong player that Mashiro and Aikawa meet at a ping pong place. She seems courteous enough to strangers and opponents alike, and is willing to offer advice to newer players.