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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Kab1 draw
3 Kd1 draw
4 Re1 draw
5 Rf1 draw
6 Rg1 draw
7 Rh2 draw
8 Rh8 draw
9 Ka2 loss in 2 half-moves
10 Kab2 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kcb1 loss in 2 half-moves
13 Kcb2 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rh5 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rh7 loss in 2 half-moves