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