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 Kc1 draw
3 Kd1 draw
4 Kd3 draw
5 Kd7 draw
6 Kd8 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Ke7 draw
11 Ra2 draw
12 Rc1 draw
13 Rc3 draw
14 Rc4 draw
15 Rc5 draw
16 Rc8 draw
17 Kc3 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc7 loss in 2 half-moves