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

EGTB: win in 4 half-moves

# move score
1 Kab7 win in 3 half-moves
2 Kaa5 draw
3 Kaa7 draw
4 Kab5 draw
5 Kba5 draw
6 Kba7 draw
7 Kbb5 draw
8 Kbb7 draw
9 Kc5 draw
10 Kc6 draw
11 Kc7 draw
12 Ra3 draw
13 Rb3 draw
14 Rc3 draw
15 Rd3 draw
16 Re1 draw
17 Re2 draw
18 Re4 draw
19 Re8 draw
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves