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 Kd4 draw
3 Kd5 draw
4 Ke5 draw
5 Kf4 draw
6 Kf5 draw
7 Ra4 draw
8 Rc3 draw
9 Rc5 draw
10 Rc6 draw
11 Rc7 draw
12 Kd3 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rc8 loss in 1 half-moves