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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 Re6 win in 5 half-moves
3 Kc4 draw
4 Kc5 draw
5 Kd5 draw
6 Ke3 draw
7 Ke5 draw
8 Kg7 draw
9 Kg8 draw
10 Kh6 draw
11 Kh8 draw
12 Re3 draw
13 Re5 draw
14 Re8 draw
15 Rf4 draw
16 Rg4 draw
17 Rh4 draw
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves