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

EGTB: win in 48 half-moves

# move score
1 Rb7 win in 47 half-moves
2 Rb1 win in 51 half-moves
3 Rb8 win in 51 half-moves
4 Rb2 win in 53 half-moves
5 Rb6 win in 53 half-moves
6 Rg3 draw
7 Rh3 draw
8 K7b7 loss in 2 half-moves
9 K7b8 loss in 2 half-moves
10 K8b7 loss in 2 half-moves
11 K8b8 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves