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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Kc7 win in 1 half-moves
3 Kd7 win in 1 half-moves
4 Ke7 win in 1 half-moves
5 Rb6 win in 3 half-moves
6 Rc8 win in 3 half-moves
7 Kb7 draw
8 Kc8 draw
9 Ke8 draw
10 Rb1 draw
11 Rb5 draw
12 Rb7 draw
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves