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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Ka1 draw
4 Ka3 draw
5 Kb1 draw
6 Kb2 draw
7 Kb3 draw
8 Kc1 draw
9 Kc2 draw
10 Kd2 draw
11 Ke1 draw
12 Ke2 draw
13 Rc4 draw
14 Rg1 draw
15 Rg2 draw
16 Rg3 draw
17 Rg8 draw
18 Rh4 draw
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves