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 Ke1 draw
6 Rb1 draw
7 Rb3 draw
8 Rb7 draw
9 Rb8 draw
10 Ke2 loss in 4 half-moves
11 Kc3 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rb5 loss in 1 half-moves
17 Rb6 loss in 1 half-moves