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 Ka2 draw
3 Ka3 draw
4 Ka4 draw
5 Kc2 draw
6 Kc3 draw
7 Kc4 draw
8 Ra2 draw
9 Rc2 draw
10 Rd2 draw
11 Kb4 loss in 4 half-moves
12 Rb1 loss in 4 half-moves
13 Re2 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rh2 loss in 2 half-moves