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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rf6 win in 3 half-moves
3 Rf7 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 Ra2 draw
6 Rb2 draw
7 Rc2 draw
8 Rf3 draw
9 Rf4 draw
10 Rg2 draw
11 K6b6 loss in 2 half-moves
12 K6b7 loss in 2 half-moves
13 K7b6 loss in 2 half-moves
14 K7b7 loss in 2 half-moves
15 Ka5 loss in 2 half-moves
16 Ka8 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves