Complex sentence: Bueno reached at least the quarterfinals in each of the first 26 Grand Slam singles tournaments she played, other than the 1967 Wimbledon when she lost in the fourth round due to arm injury.
Split into simpler sentences: Bueno reached at least the quarterfinals in each of the first 26 Grand Slam singles tournaments she played. This streak ended at Wimbledon in 1967 when she lost in the fourth round because of an arm injury.