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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Ra3 win in 5 half-moves
4 Ka2 draw
5 Kb1 draw
6 Kb2 draw
7 Kd2 draw
8 Kd3 draw
9 Kd4 draw
10 Ke2 draw
11 Ke4 draw
12 Kf2 draw
13 Kf3 draw
14 Kf4 draw
15 Rb4 draw
16 Rb5 draw
17 Rb6 draw
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves