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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kc7 win in 5 half-moves
3 Kb7 win in 9 half-moves
4 Kb8 draw
5 Kd8 draw
6 Ra4 draw
7 Rb1 draw
8 Rb3 draw
9 Rb7 draw
10 Rb8 draw
11 Kb3 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves