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

EGTB: win in 4 half-moves

# move score
1 Re5 win in 3 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kd4 draw
5 Ke4 draw
6 Ke5 draw
7 Rg5 draw
8 Rh1 draw
9 Rh3 draw
10 Rh4 draw
11 Rh6 draw
12 Kc6 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rh8 loss in 2 half-moves