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 Ra1 draw
8 Ra3 draw
9 Ra5 draw
10 Re2 draw
11 Kf3 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves