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 Kc1 draw
3 Ke1 draw
4 Ra2 draw
5 Re2 draw
6 Rf1 draw
7 Rf7 draw
8 Rf8 draw
9 Rh2 draw
10 Kc2 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf3 loss in 1 half-moves