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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Rb8 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rg1 draw
10 Rh1 draw
11 Kf2 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kgg2 loss in 2 half-moves
15 Kgg4 loss in 2 half-moves
16 Kgh2 loss in 2 half-moves
17 Kgh4 loss in 2 half-moves
18 Khg2 loss in 2 half-moves
19 Khg4 loss in 2 half-moves
20 Khh2 loss in 2 half-moves
21 Khh4 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb7 loss in 2 half-moves