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 Rb5 loss in 4 half-moves
3 Kc7 loss in 2 half-moves
4 Kc8 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Rc5 loss in 2 half-moves
9 Rd5 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Ra5 loss in 1 half-moves
17 Re1 loss in 1 half-moves
18 Re2 loss in 1 half-moves
19 Re3 loss in 1 half-moves