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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Kc5 draw
7 Kcc7 draw
8 Kcd7 draw
9 Kd5 draw
10 Kd6 draw
11 Kdc7 draw
12 Kdd7 draw
13 Ke7 draw
14 Ke8 draw
15 Rc7 draw