BERLIN, March 3 — The Bundesliga race for Champions League places heated up on Saturday as Borussia Dortmund won 2-0 at Union Berlin to stay fourth and RB Leipzig beat Bochum 4-1 to keep pace a point behind.

The unrelenting form of league leaders Bayer Leverkusen and surprising Stuttgart, who won 3-2 at Wolfsburg in Saturday’s late match to solidify their grip on third, has left Champions League regulars Dortmund and Leipzig battling it out for fourth.