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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Rc2 win in 5 half-moves
6 Kd4 win in 7 half-moves
7 Kc4 win in 9 half-moves
8 Ra3 win in 9 half-moves
9 Kb7 draw
10 Kc2 draw
11 Kc5 draw
12 Kc7 draw
13 Kd2 draw
14 Kd7 draw
15 Ke2 draw
16 Rb3 draw
17 Rc1 draw
18 Ke3 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves