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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Rh5 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Rf4 win in 7 half-moves
5 Rh8 win in 13 half-moves
6 Kc7 draw
7 Kc8 draw
8 Kd5 draw
9 Kd6 draw
10 Kdd7 draw
11 Kde7 draw
12 Ke5 draw
13 Ke8 draw
14 Ked7 draw
15 Kee7 draw
16 Kf6 draw
17 Kf7 draw
18 Ra4 draw
19 Re4 draw
20 Rg4 draw
21 Rh3 draw
22 Rh6 draw
23 Rb4 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves