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 Rg3 win in 3 half-moves
3 Rg4 win in 3 half-moves
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Rg2 draw
8 Rg5 draw
9 Rg6 draw
10 Rh7 draw
11 Ka4 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 K1a2 loss in 1 half-moves
20 K1b2 loss in 1 half-moves
21 K3a2 loss in 1 half-moves
22 K3b2 loss in 1 half-moves