In 2015, Lin had another excellent season on the LET. She finished T3 at the World Ladies Championship hosted at Mission Hills, and then later on in the year successfully defended the Sanya Ladies Open at the Yalong Bay Golf Club. This time firing rounds of 70, 68 and a superb final round 65 to finish on -13.
In 2014, Lin played in 8 LET tournaments. Her stand out performance came at the Sanya Ladies Open which she won, shooting rounds of 68, 67 and 67 for a -14 total, beating Charley Hull by 5 shots. She finished the season 24th in the Order of Merit, winning €70,052.75
In 2013, Lin played her rookie season on the LET and played in 12 tournaments and made 6 cuts. She recorded two top-10 finishes at the World Ladies Championship and the Sanya Ladies Open. She ended the season ranked 42nd and secured her card for the 2014 season.