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

EGTB: win in 2 half-moves

# move score
1 Re5 win in 1 half-moves
2 Rb4 loss in 4 half-moves
3 Rh4 loss in 4 half-moves
4 Kd6 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Ke6 loss in 2 half-moves
8 Ke8 loss in 2 half-moves
9 Kf6 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Ra4 loss in 1 half-moves
18 Re1 loss in 1 half-moves
19 Re2 loss in 1 half-moves
20 Re3 loss in 1 half-moves