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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 K7b7 draw
3 K8b7 draw
4 Ra3 draw
5 Rb1 draw
6 Rb2 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rg3 draw
11 Rh3 draw
12 K7b8 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 K8b8 loss in 1 half-moves
16 Rb5 loss in 1 half-moves
17 Rc3 loss in 1 half-moves
18 Rd3 loss in 1 half-moves
19 Re3 loss in 1 half-moves
20 Rf3 loss in 1 half-moves