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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rb4 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kc2 draw
7 Kc3 draw
8 Kc4 draw
9 Kc7 draw
10 Kd2 draw
11 Kd4 draw
12 Kd7 draw
13 Kd8 draw
14 Ke4 draw
15 Rd4 draw
16 Re4 draw
17 Rf5 draw
18 Rf6 draw
19 Rf7 draw
20 Rf8 draw
21 Ke2 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves