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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Kc7 draw
3 Kd5 draw
4 Kd7 draw
5 Ke5 draw
6 Ke6 draw
7 Ke7 draw
8 Kg1 draw
9 Kg2 draw
10 Kh2 draw
11 Rc2 draw
12 Rd2 draw
13 Re1 draw
14 Re6 draw
15 Re8 draw
16 Rf2 draw
17 Rg2 draw
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re7 loss in 2 half-moves