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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 Rc5 win in 3 half-moves
5 Re4 win in 3 half-moves
6 Ka1 draw
7 Ka3 draw
8 Kb1 draw
9 Kb2 draw
10 Kb3 draw
11 Ra6 draw
12 Rd4 draw
13 Re5 draw
14 Rh4 draw
15 Rh5 draw
16 Ra3 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves