Stellies trail 1-0 after the first leg in Tanzania and will host the return match at Moses Mabhida Stadium in Durban, looking to overturn the deficit and secure a historic spot in the final.
Despite the narrow loss away from home, Basadien believes the pressure is firmly on the Tanzanian giants to get the job done.
"No one expected us to get a result against Simba, especially away. We tried, but we didn't achieve what we wanted. Coming into the second leg, there isn't much pressure on us to reach the final, the pressure is more on them. This gives us the freedom to enjoy ourselves and simply play for the occasion.," said the defender.
The Bafana Bafana defender, who captained Stellenbosch in the first leg, remains optimistic about their chances.
"The fixture is still salvageable. They (Simba) weren't happy with the 1-0 scoreline because they know coming here is going to be difficult. We definitely stand a chance of going to the next round," he added.
Stellenbosch have enjoyed a dream run in their debut continental campaign, famously knocking out defending champions Zamalek FC and RS Berkane on their road to the semi-finals.
Coach Steve Barker's men will now look to produce another upset against Simba and continue their fairytale in Africa.
The Betway Premiership delivered gripping action as Polokwane City battled SuperSport United to a thrilling draw, while AmaZulu FC snatched a late victory against Golden Arrows.
Kaizer Chiefs' struggles in the Betway Premiership continued as the Soweto-based outfit were edged 2-1 by Marumo Gallants at FNB Stadium on Saturday.
Orlando Pirates coach Jose Riveiro has praised his players for a "fantastic performance" despite their narrow 3-2 defeat to Pyramids FC in the CAF Champions League semi-final second leg on Friday night.
AmaZulu FC midfielder Bongani Zungu has shed light on what went wrong with his expected move to Moroccan giants Wydad Casablanca before eventually signing for the KwaZulu-Natal-based club.
