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

EGTB: win in 54 half-moves

# move score
1 Kb5 win in 53 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Ka5 draw
6 Ka7 draw
7 Kb1 draw
8 Kb3 draw
9 Kb6 draw
10 Kb7 draw
11 Kc1 draw
12 Kc2 draw
13 Ra8 draw
14 Rb3 draw
15 Rb7 draw
16 Rc8 draw
17 Rg8 draw
18 Rh8 draw
19 Kc3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves