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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 K2g2 draw
3 K2g3 draw
4 K3g2 draw
5 K3g3 draw
6 Kg1 draw
7 Kg4 draw
8 Kh1 draw
9 Kh4 draw
10 Rc1 draw
11 Rc6 draw
12 Rd2 draw
13 Re2 draw
14 Rf2 draw
15 Ra2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves