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

EGTB: win in 4 half-moves

# move score
1 Rd3 win in 3 half-moves
2 Rg4 draw
3 Rg5 draw
4 Rg6 draw
5 Rg8 draw
6 Rh3 draw
7 Ka4 loss in 2 half-moves
8 Ka5 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kbb4 loss in 2 half-moves
14 Kbc4 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kcb4 loss in 2 half-moves
19 Kcc4 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg7 loss in 2 half-moves