Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kf2 draw
3 Kf3 draw
4 Kf4 draw
5 Kg2 draw
6 Kg4 draw
7 Kh4 draw
8 Rc4 draw
9 Rc5 draw
10 Rc8 draw
11 Kh3 loss in 10 half-moves
12 Kh2 loss in 6 half-moves
13 Ra3 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves