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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Ka6 win in 5 half-moves
6 Kb6 win in 9 half-moves
7 Kd6 win in 9 half-moves
8 Ke6 win in 9 half-moves
9 Ra3 win in 9 half-moves
10 Ka8 draw
11 Kb8 draw
12 Kd4 draw
13 Kd5 draw
14 Kf5 draw
15 Kf6 draw
16 Rb8 draw
17 Rc3 draw
18 Rd3 draw
19 Rh3 draw
20 Kb7 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves