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

EGTB: win in 2 half-moves

# move score
1 Rh4 win in 1 half-moves
2 Kd5 draw
3 Kd6 draw
4 Kf4 draw
5 Kf5 draw
6 Kf6 draw
7 Rb4 draw
8 Rf4 draw
9 Rg4 draw
10 Ke6 loss in 4 half-moves
11 Kd4 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re3 loss in 2 half-moves