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 Kaa6 draw
3 Kaa8 draw
4 Kab6 draw
5 Kab8 draw
6 Kba6 draw
7 Kba8 draw
8 Kbb6 draw
9 Kbb8 draw
10 Kc6 draw
11 Kc7 draw
12 Kc8 draw
13 Rb3 draw
14 Rb5 draw
15 Rb6 draw
16 Rf4 draw
17 Rg4 draw
18 Rh4 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves