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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Ka1 draw
4 Ka2 draw
5 Ka3 draw
6 Kb1 draw
7 Kb3 draw
8 Kc1 draw
9 Kc2 draw
10 Kd1 draw
11 Kd2 draw
12 Ke2 draw
13 Kf1 draw
14 Kf2 draw
15 Rc3 draw
16 Rg1 draw
17 Rg2 draw
18 Rg4 draw
19 Rg6 draw
20 Rg7 draw
21 Rh3 draw
22 Kc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg8 loss in 2 half-moves