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 K5d6 draw
3 K5e6 draw
4 Kd4 draw
5 Kd5 draw
6 Kd7 draw
7 Ra3 draw
8 Ra5 draw
9 Rb7 draw
10 Rc7 draw
11 K5f6 loss in 2 half-moves
12 K7d6 loss in 2 half-moves
13 K7e6 loss in 2 half-moves
14 K7f6 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves