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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Rd2 win in 3 half-moves
4 Re2 win in 3 half-moves
5 Kb7 draw
6 Kb8 draw
7 Kcc7 draw
8 Kcd7 draw
9 Kdc7 draw
10 Kdd7 draw
11 Ra2 draw
12 Rf1 draw
13 Rf3 draw
14 Rf4 draw
15 Rf5 draw
16 Rf6 draw
17 Ke7 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves