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 Ka3 draw
3 Ka5 draw
4 Kc1 draw
5 Kc2 draw
6 Kd2 draw
7 Ke1 draw
8 Ke2 draw
9 Ra1 draw
10 Ra3 draw
11 Rf2 draw
12 Rh2 draw
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves