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 Re1 draw
3 Rh4 draw
4 Rh5 draw
5 Rh6 draw
6 Rh8 draw
7 Ka1 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Kab1 loss in 2 half-moves
10 Kab2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kcb1 loss in 2 half-moves
14 Kcb2 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh7 loss in 2 half-moves