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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Kb7 draw
7 Kb8 draw
8 Kc7 draw
9 Kcd7 draw
10 Kcd8 draw
11 Ke7 draw
12 Ked7 draw
13 Ked8 draw
14 Kf7 draw
15 Kf8 draw
16 Ra3 draw
17 Rc3 draw
18 Rd3 draw
19 Rh3 draw
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves