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