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 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kd3 draw
7 Kd4 draw
8 Ke3 draw
9 Kf3 draw
10 Kf4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb3 draw
14 Kd5 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves