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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 K7d7 win in 5 half-moves
3 K7d8 win in 5 half-moves
4 K7f8 win in 5 half-moves
5 K8d7 win in 5 half-moves
6 K8f8 win in 5 half-moves
7 Kd6 win in 5 half-moves
8 Ra8 win in 5 half-moves
9 K8d8 draw
10 Ke6 draw
11 Ra1 draw
12 Ra2 draw
13 Ra3 draw
14 Rb7 draw
15 Rc7 draw
16 K7f7 loss in 2 half-moves
17 K8f7 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves