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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Rc8 win in 3 half-moves
4 Rh1 win in 5 half-moves
5 Kf7 draw
6 Kf8 draw
7 Kgg8 draw
8 Kgh8 draw
9 Khg8 draw
10 Khh8 draw
11 Ra1 draw
12 Rb1 draw
13 Rc5 draw
14 Rg1 draw
15 Kf6 loss in 2 half-moves
16 Kgg6 loss in 2 half-moves
17 Kgh6 loss in 2 half-moves
18 Khg6 loss in 2 half-moves
19 Khh6 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rf1 loss in 2 half-moves