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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rc6 win in 3 half-moves
3 Kc4 win in 7 half-moves
4 Kc6 win in 7 half-moves
5 Ra3 win in 7 half-moves
6 Kc3 win in 9 half-moves
7 Ka2 draw
8 Ka3 draw
9 Ka4 draw
10 Kb2 draw
11 Kc2 draw
12 Ra1 draw
13 Rb6 draw
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Ra8 loss in 2 half-moves