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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Kd7 loss in 2 half-moves
3 Kd8 loss in 2 half-moves
4 Kf7 loss in 2 half-moves
5 Kf8 loss in 2 half-moves
6 Rc7 loss in 2 half-moves
7 Rd7 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Re2 loss in 2 half-moves
10 Re3 loss in 2 half-moves
11 Re5 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves
16 Ra7 loss in 1 half-moves
17 Rb7 loss in 1 half-moves