The draw kept Newcastle's Champions League hopes alive, thanks to a late penalty from striker Alexander Isak.
With only three games left, Newcastle must earn more points to stay ahead of teams like Chelsea and Nottingham Forest.
Guimaraes posted on Instagram after the game, thanking fans whose support is crucial in the final matches.
"We're glad for the point, and we'll keep working towards our goal," he said.
"Your support will be vital, especially next Sunday. Let's create a special atmosphere together."
Guimaraes ended with a classic Newcastle phrase, saying "Howay the lads!"
Defender Dan Burn also spoke about the importance of fan support.
"We feel confident when the fans are behind us, creating a great atmosphere at home," he said.
"We always rely on our fans to back us up."