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

EGTB: win in 2 half-moves

# move score
1 Rg6 win in 1 half-moves
2 K6b7 win in 3 half-moves
3 Ka8 win in 3 half-moves
4 Kb8 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 Ka5 draw
8 Rb1 draw
9 Rb2 draw
10 K7b7 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves