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 Kg1 draw
3 Kh1 draw
4 Kh2 draw
5 Rf3 draw
6 Rg3 draw
7 Rh2 draw
8 Rh4 draw
9 Rh5 draw
10 Rh6 draw
11 Rh7 draw
12 Rh8 draw
13 Kg3 loss in 4 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rh1 loss in 2 half-moves