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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka4 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Rb8 draw
7 Rh3 draw
8 Ka6 loss in 12 half-moves
9 Rb1 loss in 10 half-moves
10 Rb2 loss in 10 half-moves
11 Ra3 loss in 8 half-moves
12 Rd3 loss in 6 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg3 loss in 2 half-moves