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 Kc5 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Ra7 win in 5 half-moves
5 Ra3 win in 9 half-moves
6 Ra6 win in 9 half-moves
7 Ra1 draw
8 Ra8 draw
9 Rf5 draw
10 Rg5 draw
11 Rh5 draw
12 Ka2 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kc7 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Kd7 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Ra4 loss in 2 half-moves
27 Rb5 loss in 2 half-moves
28 Rc5 loss in 2 half-moves
29 Rd5 loss in 2 half-moves
30 Re5 loss in 2 half-moves