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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Re1 win in 3 half-moves
4 Rf1 win in 3 half-moves
5 Rh7 win in 3 half-moves
6 Rh8 win in 5 half-moves
7 Kc8 draw
8 Kde7 draw
9 Kee7 draw
10 Kf7 draw
11 Kf8 draw
12 Rg1 draw
13 Rh2 draw
14 Rh6 draw
15 Kc7 loss in 2 half-moves
16 Kdd7 loss in 2 half-moves
17 Ked7 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves