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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc5 draw
6 Kc6 draw
7 Kc7 draw
8 Kc8 draw
9 Kd6 draw
10 Ke5 draw
11 Ke6 draw
12 Ra5 draw
13 Rb4 draw
14 Rb6 draw
15 Rb7 draw
16 Kc4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc5 loss in 2 half-moves