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 Kb1 draw
4 Kb2 draw
5 Kd1 draw
6 Kd2 draw
7 Kd3 draw
8 Ke1 draw
9 Ke3 draw
10 Kf1 draw
11 Kf2 draw
12 Kf3 draw
13 Ra8 draw
14 Rb2 draw
15 Rb3 draw
16 Rb4 draw
17 Rg8 draw
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves