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

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 Kc2 win in 13 half-moves
3 Kc1 win in 17 half-moves
4 Ke1 draw
5 Ke7 draw
6 Ra7 draw
7 Rb7 draw
8 Rc1 draw
9 Kc6 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc8 loss in 2 half-moves