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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Rf8 win in 5 half-moves
3 Rb1 draw
4 Rb2 draw
5 Rb6 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rg8 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kgg1 loss in 2 half-moves
14 Kgg3 loss in 2 half-moves
15 Kgh1 loss in 2 half-moves
16 Kgh3 loss in 2 half-moves
17 Khg1 loss in 2 half-moves
18 Khg3 loss in 2 half-moves
19 Khh1 loss in 2 half-moves
20 Khh3 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb7 loss in 2 half-moves