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