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

EGTB: win in 2 half-moves

# move score
1 Rf6 win in 1 half-moves
2 Kb7 draw
3 Kc6 draw
4 Kd7 draw
5 Ra6 draw
6 Rb5 draw
7 Rb8 draw
8 Rb7 loss in 10 half-moves
9 Kc8 loss in 6 half-moves
10 Kb8 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Kd6 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves