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 Ra8 win in 7 half-moves
3 Ka6 draw
4 Ka8 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kd7 draw
9 Kd8 draw
10 Ke7 draw
11 Kf7 draw
12 Kf8 draw
13 Rc1 draw
14 Rc2 draw
15 Rc4 draw
16 Rc5 draw
17 Rc6 draw
18 Rc7 draw
19 Rb8 loss in 2 half-moves
20 Rc3 loss in 2 half-moves