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 Rb2 win in 3 half-moves
3 Rb3 win in 5 half-moves
4 Rh8 win in 5 half-moves
5 Ke1 draw
6 Ke2 draw
7 Kf1 draw
8 Kfg1 draw
9 Kfg2 draw
10 Kh2 draw
11 Khg1 draw
12 Khg2 draw
13 Ra8 draw
14 Rb4 draw
15 Rc8 draw
16 Rd8 draw
17 Ke3 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves