【Feature Contents】 This issue delves deep into the playing styles of tennis stars Roger Federer and Kei Nishikori. It's packed with valuable information for learning their techniques and strategies. 【Must-Read for Sports Fans】 This is a must-read for tennis fans and athletes looking to improve their skills. In particular, learning Federer and Nishikori's techniques can enhance the quality of your play. - Title: Smash March 2019 Issue - Feature Contents: Federer and Nishikori's Techniques Please refrain from purchasing if you are concerned about the long storage period.