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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rb1 draw
5 Rb5 draw
6 Rc3 draw
7 Ka2 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Kc2 loss in 1 half-moves
19 Kc3 loss in 1 half-moves
20 Kc4 loss in 1 half-moves