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 Kg3 win in 5 half-moves
3 Kh3 win in 5 half-moves
4 Kf1 draw
5 Kf2 draw
6 Kf3 draw
7 Kg1 draw
8 Kh1 draw
9 Kh2 draw
10 Ra4 draw
11 Rb4 draw
12 Rc1 draw
13 Rc2 draw
14 Rc3 draw
15 Rd4 draw
16 Re4 draw
17 Rg4 draw
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rc8 loss in 1 half-moves