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 Ra2 draw
3 Rd5 draw
4 Rd6 draw
5 Rd7 draw
6 Rd8 draw
7 Re2 draw
8 Rf2 draw
9 Rh2 draw
10 K1e2 loss in 2 half-moves
11 K1f2 loss in 2 half-moves
12 K1g2 loss in 2 half-moves
13 K3e2 loss in 2 half-moves
14 K3f2 loss in 2 half-moves
15 K3g2 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Kg1 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rd3 loss in 2 half-moves
27 Rd4 loss in 2 half-moves