Complex sentence: He decided not to attend the final rounds in Macau as a protest at being given a five place grid penalty after an incident at the previous rounds in Japan, despite being in contention to keep his teammate Sergio Hernandez from taking his title.
Split into simpler sentences: He decided not to attend the final rounds in Macau as a protest at being given a five-place grid penalty after an incident at the previous round in Japan. This was despite being in contention to keep his teammate Sergio Hernández from taking his title.