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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke5 draw
6 Ke8 draw
7 Kee7 draw
8 Kef7 draw
9 Kf5 draw
10 Kf6 draw
11 Kfe7 draw
12 Kff7 draw
13 Kg7 draw
14 Kg8 draw
15 Rc1 draw
16 Rc5 draw
17 Rc7 draw
18 Rc8 draw
19 Ra6 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rc4 loss in 2 half-moves