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 Kg2 draw
5 Kh1 draw
6 Kh2 draw
7 Ra1 draw
8 Rc2 draw
9 Rd2 draw
10 Rh2 draw
11 Ra4 loss in 4 half-moves
12 Ra5 loss in 4 half-moves
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Ra3 loss in 1 half-moves