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

EGTB: win in 6 half-moves

# move score
1 Ra4 win in 5 half-moves
2 Rb4 win in 5 half-moves
3 Rc4 win in 5 half-moves
4 Rf5 draw
5 Rf7 draw
6 Rf8 draw
7 Rg4 draw
8 Rh4 draw
9 Ka3 loss in 2 half-moves
10 Kaa1 loss in 2 half-moves
11 Kab2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kba1 loss in 2 half-moves
14 Kbb2 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf6 loss in 2 half-moves