In 2015, Joanna competed in 6 LET events. She played superbly at both the Helsingborg Open and the Xiamen International Ladies Open where she finished T4 and in 5th position, respectively. She finished the season in 54th position in the Order of Merit winning €30,570.
In 2014, Joanna played in 10 LET events with her best performance coming at the Lalla Meryem Cup where she finished T12.
In 2013, Joanna enjoyed her most successful season on tour. She played 18 events, posted her career-best finish 3rd at the Open de Espana femenino and recorded two additional top-10 finishes at the Lacoste Ladies Open de France and China Suzhou Taihu Open. She posted her career low 64 (-6) at the French Open and again 64 (-8) during last round of the China Suzhou Taihu Open. She ended the season ranked 13th on the Money List with total earnings €92,879.88.
In 2012, her second year on tour, Joanna played 19 events and posted 3 top 5 finishes in a row: T5 at the Raiffeisenbank Prague Golf Masters, T4 at the South African Women’s Open and T4 at the Ladies Irish Open. Posted a career-low 65 (-7) during the second round of the Omega Dubai Ladies Masters and ended T24. Season’s earnings: €84,572.79, (25): a dramatic improvement on her first year on tour.
In 2011, her first year on tour, Joanna recorded to top-20 finishes with a season-best tie for 11th at the Open de Espana Femenino, followed by a T12 at the Deutsche Bank Ladies Swiss Open. She finished 82nd on the Money List and successfully retained her card for the following year.