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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Re4 draw
9 Rf4 draw
10 Rg4 draw
11 Ka4 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 K1a2 loss in 1 half-moves
19 K1b2 loss in 1 half-moves
20 K3a2 loss in 1 half-moves
21 K3b2 loss in 1 half-moves