Q What's your secret to looking fabulous?
A The most important thing is to stay committed to your exercise routine and heathy diet, even when you don't feel like it.
Q Was there ever a time when you weren't fit and fab?
A I don't think I have ever been out of shape as I'm a disciplined person.
Q How long have you been playing tennis and what got you started?
A I've been playing the game since I was seven. I started playing tennis for recreation at the country club and I grew to enjoy the sport.
Q What is your diet like?
A A typical breakfast would include cereal or just a sandwich. I always make sure to get enough protein, like milk and eggs, to start my day.
I eat home-cooked food for lunch and dinner. There is always soup, one vegetable and two meats.
I rarely have supper, but I do snack quite a bit.
Q What are your indulgences?
A Oreos and bubble tea, for sure.
Q What do you do to relax?
A I enjoy movies and music, reading and hanging out with my friends.
Q What are the three most important things in your life?
A God, family and friends.
Charmaine is one of the six top juniors who represented Singapore at the Women's Tennis Association (WTA) Future Stars tournament last week.
She finished second in her round-robin group after winning three out of four matches but missed out on a semi-final berth to China's Zhou Keyi.
In April, she was a member of the Fed Cup team which defeated Malaysia, Pakistan and Indonesia before losing to the Philippines in the Group II Asia/Oceania final.
Her father, Peter, 55, is a lawyer who runs three times a week. Her mother, Wei Wei, 49, is a retail manager who swims and goes for walks.
She has an older brother, Marcus, 20, who is doing national service.
The Future Stars tournament was held here in conjunction with the ongoing WTA Finals, which sees eight of the world's top women tennis players competing at the Singapore Indoor Stadium till Oct 30.
Q What are your favourite and least favourite parts of your body?
A It'd be nice if I could gain more height. I love my smile and I hope to continue making people happy.
Q What are your must-dos before and after training sessions?
A I do warm-up exercises before sessions and finish with stretches.
Q How important is it for you to keep up with your fitness routine?
A It is a priority for me to maintain my fitness so as to improve my game. Keeping fit also makes me feel good.
Q What's the biggest sacrifice you have had to make to reach your level of fitness?
A I have had to sacrifice spending time with my friends. To cope with training and competitions, I have also left the Singapore Sports School and I am completing my secondary school education with an online American school.
Q What are your strengths and weaknesses as a tennis player?
A I have good movement on the court, so I can get to the balls fast and strike them better. I want to improve on my serve and returns.
Q Who is your favourite tennis player?
A I like Agnieszka Radwanska from Poland. She is a crafty player with an amazing feel of the ball.
She also has great footwork and is such a fighter. There is so much I can learn from her.
Q What do your family and friends say about your commitment to tennis?
A The people close to me believe in me. I am grateful for their support.