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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 Rg3 win in 5 half-moves
5 Rh3 win in 5 half-moves
6 Ke7 draw
7 Ke8 draw
8 Kf7 draw
9 Kfg7 draw
10 Kfg8 draw
11 Kg6 draw
12 Kh6 draw
13 Kh8 draw
14 Khg7 draw
15 Khg8 draw
16 Ra3 draw
17 Rb4 draw
18 Rb5 draw
19 Rc3 draw
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves