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 Kg2 draw
3 Kg3 draw
4 Kh3 draw
5 Ra1 draw
6 Ra2 draw
7 Rc3 draw
8 Rd3 draw
9 Re3 draw
10 Rf3 draw
11 Rh3 draw
12 Kg1 loss in 6 half-moves
13 Kh1 loss in 6 half-moves
14 Ra5 loss in 4 half-moves
15 Ra6 loss in 4 half-moves
16 Ra7 loss in 4 half-moves
17 Ra8 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Ra4 loss in 1 half-moves