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 Kc5 win in 5 half-moves
6 Rb2 win in 7 half-moves
7 Ra2 win in 11 half-moves
8 Kb7 draw
9 Kc1 draw
10 Kc3 draw
11 Kc7 draw
12 Kd1 draw
13 Kd3 draw
14 Kd7 draw
15 Ke1 draw
16 Rc1 draw
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves