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 Rc3 draw
3 Rd3 draw
4 Re3 draw
5 Rg4 draw
6 Rg5 draw
7 Rg6 draw
8 Rg7 draw
9 Rg8 draw
10 Kg2 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves