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 Kd2 draw
3 Rc7 draw
4 Rd7 draw
5 Re1 draw
6 Re8 draw
7 Kc1 loss in 4 half-moves
8 Kc2 loss in 4 half-moves
9 Ra7 loss in 4 half-moves
10 Rb7 loss in 4 half-moves
11 Ke1 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rf7 loss in 1 half-moves