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 Kc3 draw
3 Kc4 draw
4 Kd3 draw
5 Ke3 draw
6 Ke4 draw
7 Ra4 draw
8 Rb1 draw
9 Rb3 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc4 loss in 2 half-moves