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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rc4 win in 3 half-moves
3 Rd4 win in 3 half-moves
4 Re4 win in 3 half-moves
5 Kb1 draw
6 Kb2 draw
7 Kcc2 draw
8 Kcd2 draw
9 Kdc2 draw
10 Kdd2 draw
11 Ra4 draw
12 Rf3 draw
13 Rf5 draw
14 Rf6 draw
15 Rf7 draw
16 Rf8 draw
17 Ke1 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves