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

EGTB: win in 8 half-moves

# move score
1 Kb4 win in 7 half-moves
2 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Ka2 loss in 2 half-moves
6 Ka4 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kc4 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 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc3 loss in 2 half-moves