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 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Re7 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh8 loss in 2 half-moves