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 K6b6 draw
3 K6b7 draw
4 K7b6 draw
5 K7b7 draw
6 Ka5 draw
7 Ka8 draw
8 Kb5 draw
9 Kb8 draw
10 Rb4 draw
11 Rf3 draw
12 Rf5 draw
13 Rf6 draw
14 Rf7 draw
15 Rf8 draw
16 Rg4 draw
17 Rh4 draw
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves