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