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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 K4a5 draw
4 K6a5 draw
5 Ka3 draw
6 Ka7 draw
7 Kb3 draw
8 Kb4 draw
9 Ra5 draw
10 Rf5 draw
11 Rg1 draw
12 Rg2 draw
13 Rh5 draw
14 K4b5 loss in 2 half-moves
15 K6b5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves