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 Kcc2 draw
5 Kcd1 draw
6 Kdc2 draw
7 Kdd1 draw
8 Ke1 draw
9 Ke2 draw
10 Ke3 draw
11 Ra4 draw
12 Rb1 draw
13 Rb2 draw
14 Rb8 draw
15 Rf4 draw
16 Kc3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves