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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Ra1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb6 draw
7 Re1 draw
8 Rf1 draw
9 K1g2 loss in 2 half-moves
10 K1h2 loss in 2 half-moves
11 K3g2 loss in 2 half-moves
12 K3h2 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves