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 Ra3 draw
4 Rb4 draw
5 Rb5 draw
6 Rb6 draw
7 Rg3 draw
8 Rh3 draw
9 Kf6 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kgg8 loss in 2 half-moves
14 Kgh7 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Khg8 loss in 2 half-moves
17 Khh7 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves