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

EGTB: win in 2 half-moves

# move score
1 Rd7 win in 1 half-moves
2 Re8 loss in 8 half-moves
3 Ka6 loss in 6 half-moves
4 Kb6 loss in 6 half-moves
5 Ka7 loss in 4 half-moves
6 Ka8 loss in 4 half-moves
7 Kb8 loss in 4 half-moves
8 Kc8 loss in 4 half-moves
9 Kc6 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Re1 loss in 1 half-moves
19 Re2 loss in 1 half-moves
20 Re3 loss in 1 half-moves