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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Ra3 draw
3 Rb3 draw
4 Rc5 draw
5 Rc6 draw
6 Rc7 draw
7 Rc8 draw
8 Rf3 draw
9 K2g2 loss in 2 half-moves
10 K2g3 loss in 2 half-moves
11 K3g2 loss in 2 half-moves
12 K3g3 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves