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 Ka7 draw
3 Kab7 draw
4 Kab8 draw
5 Kc7 draw
6 Kcb7 draw
7 Kcb8 draw
8 Kd7 draw
9 Kd8 draw
10 Re4 draw
11 Re5 draw
12 Re6 draw
13 Re7 draw
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves