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

EGTB: win in 2 half-moves

# move score
1 Re1 win in 1 half-moves
2 Kd6 loss in 18 half-moves
3 Kc6 loss in 16 half-moves
4 Ke6 loss in 10 half-moves
5 Re8 loss in 10 half-moves
6 Kd8 loss in 6 half-moves
7 Ke8 loss in 6 half-moves
8 Re5 loss in 6 half-moves
9 Re6 loss in 6 half-moves
10 Kc7 loss in 4 half-moves
11 Kc8 loss in 4 half-moves
12 Rf7 loss in 4 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves