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