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 Kc2 draw
3 Kc4 draw
4 Kd2 draw
5 Kd4 draw
6 Ke2 draw
7 Kf8 draw
8 Kh8 draw
9 Ra3 draw
10 Rc1 draw
11 Rc2 draw
12 Rc8 draw
13 Ke3 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc7 loss in 2 half-moves