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 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Ke6 draw
6 Kee8 draw
7 Kef7 draw
8 Kf6 draw
9 Kfe8 draw
10 Kff7 draw
11 Kg7 draw
12 Kg8 draw
13 Rc1 draw
14 Rc5 draw
15 Rc6 draw
16 Rc7 draw
17 Re8 draw
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves