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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka2 draw
3 Kb2 draw
4 Kd4 draw
5 Kd5 draw
6 Ke3 draw
7 Ke5 draw
8 Kf3 draw
9 Ra8 draw
10 Rb2 draw
11 Rb3 draw
12 Rb4 draw
13 Rc8 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Kb1 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves