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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kc7 draw
6 Kc8 draw
7 Kd7 draw
8 Ke7 draw
9 Ke8 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