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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Ra8 win in 5 half-moves
3 Rb8 win in 5 half-moves
4 Rg1 win in 5 half-moves
5 K2a3 draw
6 K2b3 draw
7 K4a3 draw
8 K4b3 draw
9 Ka1 draw
10 Ka2 draw
11 Ka4 draw
12 Ka5 draw
13 Kb1 draw
14 Kb5 draw
15 Rg6 draw
16 Rg7 draw
17 Rh8 draw
18 K2c3 loss in 2 half-moves
19 K4c3 loss in 2 half-moves
20 Kc1 loss in 2 half-moves
21 Kc2 loss in 2 half-moves
22 Kc4 loss in 2 half-moves
23 Kc5 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg2 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rg4 loss in 2 half-moves