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 Kb4 win in 5 half-moves
3 Ka4 win in 7 half-moves
4 Ka6 draw
5 Kc4 draw
6 Kc5 draw
7 Kd4 draw
8 Ke4 draw
9 Rb1 draw
10 Rb3 draw
11 Rb4 draw
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc5 loss in 2 half-moves