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