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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Rh4 win in 1 half-moves
3 Kb8 draw
4 Kd8 draw
5 Kf1 draw
6 Kf2 draw
7 Kg2 draw
8 Kh1 draw
9 Kh2 draw
10 Ra1 draw
11 Ra2 draw
12 Ra5 draw
13 Ra6 draw
14 Ra7 draw
15 Rb4 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Kb7 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Ra3 loss in 1 half-moves
23 Ra8 loss in 1 half-moves
24 Rc4 loss in 1 half-moves