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