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 Kd7 draw
3 Kd8 draw
4 Kef7 draw
5 Kef8 draw
6 Kgf7 draw
7 Kgf8 draw
8 Kh7 draw
9 Kh8 draw
10 Rc1 draw
11 Rc2 draw
12 Rc6 draw
13 Rc7 draw
14 Ke7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves