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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Kc6 win in 5 half-moves
4 Kc5 draw
5 Kc7 draw
6 Kd5 draw
7 Kd7 draw
8 Kde7 draw
9 Ke5 draw
10 Ke6 draw
11 Ke8 draw
12 Kf7 draw
13 Kfe7 draw
14 Kg7 draw
15 Kg8 draw
16 Rb4 draw
17 Rh3 draw
18 Rh6 draw
19 Rh8 draw
20 Ra4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves