Rafael Nadal emphatically sealed a record-extending 14th French Open title with an imperious straight-sets victory over Casper Ruud on Sunday. Fifth seed Nadal was relentless as he took his record tally of grand slam titles to 22 with another domineering display, beating Ruud 6-3, 6-3, 6-0 to reign yet again on Court Philippe-Chatrier. Amid uncertainty over how long the 36-year-old Spaniard will be able to continue playing, he did not resemble a man who has been struggling with a foot injury as he outclassed Ruud in the Norwegian’s first major final. Ruud was no match for his idol, who won 11 …