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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kcd1 draw
6 Kcd2 draw
7 Ke2 draw
8 Ked1 draw
9 Ked2 draw
10 Kf1 draw
11 Kf2 draw
12 Ra3 draw
13 Rc3 draw
14 Rg1 draw
15 Rg2 draw
16 Rg4 draw
17 Rg6 draw
18 Rg7 draw
19 Rh3 draw
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg8 loss in 2 half-moves