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

EGTB: win in 6 half-moves

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