In 2016, Kanphanitnan won the Hitachi Ladies Classic in Taiwan.
In 2015, Kanphanitnan qualified for the Ladies European Tour and earned category 8a for the 2016 season. She also won 3 events in Thailand.
In 2014, Kanphanitnan was the winner of the Singha E San Open (Thailand), the Singha-Sat Thai LPGA Championship (Thailand), the Party Golfers Open (Taiwan) and 36th in the Sime Darby LPGA Malaysia tournament (Malaysia, LPGA tournament). She was awarded the Order of Merit for the whole of Thailand.
In 2013, Kanphanitnan turned professional aged just 14 years, 2 months.
That year she also was the winner of the E San Open Tournament, Road to Panansonic Open Singha Bangkok Open Tournament, Singha-Sat That LPGA Championship and finished T9 at the PTT Global Chemical Thailand Ladies Open all hosted in Thailand. She was awarded the Order of Merit for the whole of Thailand.