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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kg1 draw
5 Kh1 draw
6 Kh2 draw
7 Ra2 draw
8 Rc1 draw
9 Rc3 draw
10 Rd2 draw
11 Re2 draw
12 Kf3 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rc4 loss in 1 half-moves