Kumkhum qualified for the Australian Open where she defeated Sofia Arvidsson in the first round, she was then beaten by Jamie Hampton.

She played the 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 quarterfinals, she also reached the semifinals of the tournament where she partnered with Erika Sema, falling to Janette Husárová and Zhang Shuai in the semifinals.

In the doubles event, she and Tamarine Tanasugarn reached the final before falling to first seeds Nina Bratchikova and Valeria Solovyeva.

87 in the world, caused a major upset when she defeated former Wimbledon champion Petra Kvitová in the first round, in three sets.

[3] She reached the semifinals at her home tournament in Hua Hin, Thailand as a wildcard player with Peangtarn Plipuech with the withdrawal of Anna Kalinskaya and Linda Fruhvirtová.