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

EGTB: win in 8 half-moves

# move score
1 Ra3 win in 7 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kc2 draw
6 Kc3 draw
7 Kd2 draw
8 Ke2 draw
9 Rb1 draw
10 Rb2 draw
11 Rb8 draw
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Rb4 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 Rc3 loss in 2 half-moves