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

EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Rc7 draw
11 Rd7 draw
12 Re7 draw
13 Rf7 draw
14 Rg7 draw
15 Rh2 draw
16 Rh4 draw
17 Rh5 draw
18 Rh6 draw
19 Rh8 draw
20 Ra7 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rh1 loss in 2 half-moves