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 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Rc3 draw
7 Re3 draw
8 Rf3 draw
9 Rg3 draw
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kgg7 loss in 2 half-moves
13 Kgh7 loss in 2 half-moves
14 Khg7 loss in 2 half-moves
15 Khh7 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves