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 Kd3 draw
3 Kd4 draw
4 Kd5 draw
5 Ke3 draw
6 Ke5 draw
7 Kf4 draw
8 Kf5 draw
9 Rc2 draw
10 Rc3 draw
11 Rc5 draw
12 Rd4 draw
13 Kf3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves