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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Kab7 draw
3 Kab8 draw
4 Kcb7 draw
5 Kcb8 draw
6 Kd8 draw
7 Rh1 draw
8 Rh2 draw
9 Rh6 draw
10 Rh7 draw
11 Ka7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves