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 Ke7 draw
5 Kef7 draw
6 Kef8 draw
7 Kf6 draw
8 Kg6 draw
9 Kg8 draw
10 Kgf7 draw
11 Kgf8 draw
12 Kh6 draw
13 Kh7 draw
14 Kh8 draw
15 Rc3 draw
16 Rc7 draw
17 Ra8 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rc6 loss in 2 half-moves