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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd1 draw
5 Kd3 draw
6 Ke1 draw
7 Ke2 draw
8 Ke3 draw
9 Ra2 draw
10 Rb1 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rb8 draw
16 Rc2 draw
17 Kc3 loss in 2 half-moves