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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Re3 draw
3 Rf3 draw
4 Rg3 draw
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kaa5 loss in 2 half-moves
8 Kab5 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kba5 loss in 2 half-moves
12 Kbb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves