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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Rc5 win in 3 half-moves
3 Rd4 win in 3 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kc7 draw
7 Kd7 draw
8 Kd8 draw
9 Ra8 draw
10 Rb4 draw
11 Rb5 draw
12 Rd5 draw
13 Rh4 draw
14 Rh5 draw
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves