Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kb5 draw
6 Kc5 draw
7 Kc6 draw
8 Kc7 draw
9 Ra7 draw
10 Rc7 draw
11 Rd7 draw
12 Rf7 draw
13 Rg7 draw
14 Rh7 draw
15 Re7 loss in 2 half-moves