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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kd3 draw
3 Kd4 draw
4 Kd5 draw
5 Ke3 draw
6 Ke5 draw
7 Kf3 draw
8 Kf4 draw
9 Kf5 draw
10 Rb2 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rc3 draw
16 Re3 draw
17 Rf3 draw
18 Rg3 draw
19 Rb1 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves