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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 draw
3 Rc8 draw
4 Rf4 draw
5 Rf5 draw
6 Rf6 draw
7 Rf7 draw
8 Rg8 draw
9 Rh8 draw
10 Ka2 loss in 2 half-moves
11 Kab1 loss in 2 half-moves
12 Kab2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kcb1 loss in 2 half-moves
15 Kcb2 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves