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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kc3 win in 1 half-moves
3 Kd3 win in 1 half-moves
4 Rb6 win in 1 half-moves
5 Rb7 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Kb1 draw
8 Kc1 draw
9 Kd1 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Kd2 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Rb1 loss in 2 half-moves