Complex sentence: The women's event stopped in 1973 and was not held again although the men's tournament also stopped in 1973 was re-instated in 1980 and became part of the Grand Prix tennis circuit until 1989.
Split into simpler sentences: The women's event stopped in 1973 and was not held again. Although the men's tournament also stopped in 1973, it was reinstated in 1980 and became part of the Grand Prix tennis circuit until 1989.