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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rg7 win in 5 half-moves
3 Rh7 win in 5 half-moves
4 Ka7 draw
5 Ka8 draw
6 Ra7 draw
7 Rb7 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Rf7 draw
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Re8 loss in 2 half-moves