Inaugural champions Rajasthan are still favourites to make the top two in the play-offs.
Suryakumar hammered the opposition bowling with 12 fours and six sixes.
Four wickets on the night would take Fizz's IPL season tally to career-best.
The sports-mad city witnessed a near-packed house at the 66,000 capacity stadium.
Du Plessis said getting their second win would give them a boost.
Rajasthan registered their seventh win in eight matches
Inaugural champions Rajasthan are still favourites to make the top two in the play-offs.
Suryakumar hammered the opposition bowling with 12 fours and six sixes.
Four wickets on the night would take Fizz's IPL season tally to career-best.
The sports-mad city witnessed a near-packed house at the 66,000 capacity stadium.
Du Plessis said getting their second win would give them a boost.
Rajasthan registered their seventh win in eight matches