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 Kb7 draw
3 Kd7 draw
4 Ra6 draw
5 Rb8 draw
6 Rc6 draw
7 Rh6 draw
8 Kc8 loss in 8 half-moves
9 Rb4 loss in 8 half-moves
10 Rb5 loss in 8 half-moves
11 Kc6 loss in 6 half-moves
12 Rb7 loss in 6 half-moves
13 Kb8 loss in 4 half-moves
14 Kd6 loss in 4 half-moves
15 Kd8 loss in 4 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves