Complex sentence: The following year, 1926, Lacoste lost his French title after a straight-sets defeat in the final to Henri Cochet and did not compete at Wimbledon but in September he won the U.S. National Championships title against Borotra.
Split into simpler sentences: The following year, 1926, Lacoste lost his French title after a straight-sets defeat in the final to Henri Cochet. He did not compete at Wimbledon that year, but in September he won the U.S. National Championships title against Borotra.