![Roger Federer's brain is underrated, his on-court & off-court genius makes him the greatest: Ivan Ljubicic Roger Federer's brain is underrated, his on-court & off-court genius makes him the greatest: Ivan Ljubicic](https://staticc.sportskeeda.com/editor/2021/01/bf10f-16108133121519.jpg)
Roger Federer's brain is underrated, his on-court & off-court genius makes him the greatest: Ivan Ljubicic
![Trainer IVAN LJUBIC und IAN HUGHES amuesieren sich in der Spilerloge, Team SWITZERLAND Tennis Hopman Cu Trainer IVAN LJUBIC und IAN HUGHES amuesieren sich in der Spilerloge, Team SWITZERLAND Tennis Hopman Cu](https://www.imago-images.com/bild/sp/0031938214/w.jpg)
Trainer IVAN LJUBIC und IAN HUGHES amuesieren sich in der Spilerloge, Team SWITZERLAND Tennis Hopman Cu
![Croatia's Ljubicic celebrates victory in doubles with Ancic during Davis Cup tennis match against Romania's Pavel and Trifu at Split, Croatia. Croatia's Ivan Ljubicic celebrates victory in the doubles with Mario Ancic Croatia's Ljubicic celebrates victory in doubles with Ancic during Davis Cup tennis match against Romania's Pavel and Trifu at Split, Croatia. Croatia's Ivan Ljubicic celebrates victory in the doubles with Mario Ancic](https://l450v.alamy.com/450v/2d3f8mb/croatias-ljubici-celebrates-his-victory-against-frances-ascione-during-davis-cup-first-round-match-in-metz-ivan-ljubicic-of-croatia-celebrates-his-victory-7-5-6-4-6-4-against-frances-thierry-ascione-with-his-team-captain-nikola-nikola-pilic-during-their-davis-cup-first-round-singles-match-of-croatia-in-metz-february-6-2004-reutersvincent-kessler-2d3f8mb.jpg)
Croatia's Ljubicic celebrates victory in doubles with Ancic during Davis Cup tennis match against Romania's Pavel and Trifu at Split, Croatia. Croatia's Ivan Ljubicic celebrates victory in the doubles with Mario Ancic
![Famous tennis player and coach Ivan Ljubičić starting academy on Croatian island of Lošinj | Croatia Week Famous tennis player and coach Ivan Ljubičić starting academy on Croatian island of Lošinj | Croatia Week](https://www.croatiaweek.com/wp-content/uploads/2021/07/Luka-Kutanjac_Durukan-Durmus_James-Buswell_Ivan-Ljubicic_Mario-Visak_Luka-Cvjetkovic_Ljubicic-Tennis-Academy.jpg?x20357)