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

EGTB: win in 2 half-moves

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