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

EGTB: win in 10 half-moves

# move score
1 Ra4 win in 9 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd4 draw
6 Kd5 draw
7 Ke5 draw
8 Kf4 draw
9 Kf5 draw
10 Rb4 draw
11 Rc5 draw
12 Rc6 draw
13 Rc7 draw
14 Rc8 draw
15 Rd4 draw
16 Kd3 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves