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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rf6 draw
10 K1b1 loss in 2 half-moves
11 K1b2 loss in 2 half-moves
12 K2b1 loss in 2 half-moves
13 K2b2 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves