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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Kf4 win in 7 half-moves
3 Rh7 win in 7 half-moves
4 K5d6 draw
5 K5f5 draw
6 K5f6 draw
7 K6d6 draw
8 K6f5 draw
9 K6f6 draw
10 Kd7 draw
11 Ke4 draw
12 Ke7 draw
13 Kf7 draw
14 Rg5 draw
15 Rh1 draw
16 Rh6 draw
17 Rh8 draw
18 K5d5 loss in 2 half-moves
19 K6d5 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves
23 Rh4 loss in 2 half-moves