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

EGTB: win in 2 half-moves

# move score
1 Re2 win in 1 half-moves
2 Rf5 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 Rb5 loss in 2 half-moves
9 Rc5 loss in 2 half-moves
10 Rd5 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Ra5 loss in 1 half-moves