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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kf5 draw
3 Kf6 draw
4 Kf7 draw
5 Kg1 draw
6 Kg2 draw
7 Kg3 draw
8 Kg5 draw
9 Kg7 draw
10 Kh1 draw
11 Kh3 draw
12 Kh5 draw
13 Kh6 draw
14 Kh7 draw
15 Rc1 draw
16 Rc2 draw
17 Rc3 draw
18 Rc8 draw
19 Rd4 draw
20 Re4 draw
21 Rf4 draw
22 Rg4 draw
23 Ra4 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rc6 loss in 2 half-moves
27 Rc7 loss in 2 half-moves