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 Kd1 draw
3 Ke1 draw
4 Ke2 draw
5 Ke3 draw
6 Rb3 draw
7 Rc3 draw
8 Rd4 draw
9 Rd5 draw
10 Rd6 draw
11 Rd7 draw
12 Rd8 draw
13 Rf3 draw
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves