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

EGTB: win in 2 half-moves

# move score
1 Kb1 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Ka2 draw
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Kd6 draw
8 Kd8 draw
9 Ke6 draw
10 Ke7 draw
11 Ke8 draw
12 Ra2 draw
13 Ra3 draw
14 Ra4 draw
15 Ra5 draw
16 Ra6 draw
17 Ra8 draw
18 Rc7 draw
19 Kb2 loss in 2 half-moves