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 Rb1 draw
3 Rb3 draw
4 Rb7 draw
5 Rb8 draw
6 Rc4 draw
7 Rd4 draw
8 Re4 draw
9 Rh4 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kcc2 loss in 2 half-moves
13 Kcd2 loss in 2 half-moves
14 Kdc2 loss in 2 half-moves
15 Kdd2 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves