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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Re4 draw
3 Rg1 draw
4 Rg2 draw
5 Ka7 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh4 loss in 2 half-moves