Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Kb3 draw
3 Ra6 draw
4 Ra7 draw
5 Ra8 draw
6 Rf3 draw
7 Ka1 loss in 2 half-moves
8 Kb1 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Rd3 loss in 1 half-moves
16 Re3 loss in 1 half-moves