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

EGTB: win in 6 half-moves

# move score
1 Rb3 win in 5 half-moves
2 Kb3 win in 7 half-moves
3 Kc7 win in 7 half-moves
4 Kc8 draw
5 Kd7 draw
6 Ke7 draw
7 Ke8 draw
8 Ra1 draw
9 Ra2 draw
10 Ra6 draw
11 Ra7 draw
12 Ra8 draw
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves