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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rc5 win in 3 half-moves
3 Ra1 win in 5 half-moves
4 Kc1 draw
5 Kc2 draw
6 Kd2 draw
7 Ke1 draw
8 Ke2 draw
9 Kg1 draw
10 Kg2 draw
11 Kh2 draw
12 Ra3 draw
13 Ra4 draw
14 Ra6 draw
15 Rb5 draw
16 Rd5 draw
17 Rh5 draw
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg5 loss in 2 half-moves