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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Kb3 win in 3 half-moves
4 Kc2 win in 3 half-moves
5 Kd2 win in 3 half-moves
6 Kd1 win in 9 half-moves
7 Rb1 win in 9 half-moves
8 Ka3 win in 11 half-moves
9 Ka4 win in 11 half-moves
10 Ra4 win in 11 half-moves
11 Kc3 win in 13 half-moves
12 Kc4 win in 13 half-moves
13 Ka5 draw
14 Kb5 draw
15 Kc5 draw
16 Ra6 draw
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves