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 Kf3 draw
3 Kf4 draw
4 Kg3 draw
5 Kh3 draw
6 Kh4 draw
7 Ra4 draw
8 Rc2 draw
9 Rc3 draw
10 Rc5 draw
11 Rd4 draw
12 Kf5 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rc1 loss in 1 half-moves