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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb6 win in 5 half-moves
3 Rg3 win in 5 half-moves
4 Rh3 win in 5 half-moves
5 K7g7 draw
6 K7g8 draw
7 K8g7 draw
8 K8g8 draw
9 Kg6 draw
10 Kh6 draw
11 Ra3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb7 draw
15 Rf3 draw
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves