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

EGTB: win in 2 half-moves

# move score
1 Rg2 win in 1 half-moves
2 Kb2 draw
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Ra8 draw
9 Rd2 draw
10 Re2 draw
11 Rf2 draw
12 Kb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rh2 loss in 2 half-moves