Career
Her highest singles ranking was World Number. Her highest doubles ranking is World Number. In 2013 she cracked the top 200 and started to play on the Women's Tennis Association Tour as well as the International Tennis Federation circuit.
Kumkhum qualified for the 2013 Australian Open where she defeated Sofia Arvidsson in the first round.
She was beaten in the 2nd round by Jamie Hampton. She played the 2013 Malaysian Open where she qualified for the tournament and reached the quarterfinals defeating Olivia Rogowska and Eleni Daniilidou en route before falling to Ayumi Morita in the quarters, she also reached the semifinals of the tournament where she partnered with Erika Sema, falling to Janette Husárová and Zhang Shuai in the semis.
She then played the 2013 Roland Garros qualifying event where she defeating Zarina Diyas in the first round before falling to Sandra Záhlavová in the second qualifying round. She then suffered first round losses at the 2013 Aegon Trophy, 2013 Aegon Classic and 2013 Wimbledon Championships.
Kumkhum"s next event was the 100k International Tennis Federation event, 2013 President"s Cup where she defeated Eugeniya Pashkova in the first round, Noppawan Lertcheewakarn in the second round and Ekaterina Bychkova in the quarterfinals before she lost to Nadiya Kichenok in the semifinals.
In the doubles event she and Tamarine Tanasugarn reached the final before falling to first seeds Nina Bratchikova and Valeria Solovyeva. This was the first time ever that Kumkhum had ever faced a top ten opponent in her career. She then suffered first round loss at the Ministry of Posts, Telegraphs & Telephones, France Pattaya Open from Julia Görges 6-4, 6-4.
Singles: 18 (11–7)
Doubles: 13 (8–5).