Table:
text: South Korea Davis Cup team
Squad members
Squad members
Player Years_Played Total_W_L Singles_W_L Doubles_W_L_
Lee Sang-Yoon 3 (1960, 1962–1963) 0–8 0–5 0–3
Lee Tong-Won 1 (1962) 0–1 0–1 0–0
Lee Woo-Ryong 2 (1981, 1983) 1–3 0–3 1–0
Lee Seung-Hoon 2 (2000–2001) 0–3 0–3 0–0
Nam Hyun-Woo 1 (2004) 1–0 1–0 0–0
Park Do-Sung 1 (1963) 0–1 0–0 0–1
Roh Gap-Taik 3 (1985–1986, 1988) 7–1 7–1 0–0
Shin Han-Cheol 3 (1992–1994) 3–7 2–7 1–0
Song Dong-Wook 8 (1981–1984, 1986–1989) 13–12 7–7 6–5
Song Hyeong-Keun 1 (1999) 0–2 0–2 0–0
Suk Hyun-Jun 1 (2005) 0–2 0–2 0–0
Um Hwa-Yong 1 (1960) 0–2 0–2 0–0
Yoo Jin-Sun 7 (1984–1990) 18–11 8–5 10–6
Yoon Yong-il 9 (1993, 1995–2002) 19–14 16–10 3–4

text: South Korea Davis Cup team
Squad members
Squad members
Player Years_Played Total_W_L Singles_W_L Doubles_W_L_
Kim Choon-Ho 6 (1979–1984) 8–11 7–8 1–3
Kim Dong-Hyun 7 (1997–1999, 2001–2003, 2005) 5–7 3–4 2–3
Kim Doo-Hwan 8 (1962–1967, 1969, 1971) 2–15 2–11 0–4
Kim Jae-Sik 3 (1989–1990, 1992) 5–4 4–2 1–2
Kim Ke-Hwan 1 (1960) 0–1 0–0 0–1
Kim Moon-Il 6 (1968, 1972–1975, 1977) 3–13 2–8 1–5
Kim Nam-Hoon 1 (1998) 1–0 0–0 0–1
Kim Sun-Yong 2 (2005, 2007) 3–1 3–1 0–0
Kim Sung-Bae 5 (1971–1975) 4–8 4–6 0–2
Kwon Oh-Hee 3 (2002, 2005–2006) 3–1 1–0 2–1
Lee Ek-Son 1 (1968) 0–1 0–1 0–0
Lee Hyung-taik 14 (1995–2002, 2004–2009) 51–23 41–9 10–14
Lee Jeong-Min 1 (1996) 0–1 0–0 0–1

text: South Korea Davis Cup team
Squad members
Squad members
Player Years_Played Total_W_L Singles_W_L Doubles_W_L_
Cho Soong-Jae (630) 1 (2011) 2–0 1–0 1–0
Chung Hong (717) 1 (2011) 0–0 0–0 0–0
Im Kyu-tae (492) 8 (2003–2005, 2007–2011) 6–9 5–7 1–2
Jeong Suk-Young (793) 2 (2010–2011) 1–2 1–2 0–0
Kim Hyun-Joon (908) 2 (2010–2011) 3–4 2–1 1–3
Kim Young-Jun (474) 4 (2003–2004, 2010–2011) 6–4 6–3 0–1
Lim Yong-Kyu (288) 3 (2009–2011) 7–6 5–6 2–0
Seol Jae-Min (none) 2 (2010-2011) 2–2 0–0 2–2
An Jae-Sung 3 (2005, 2007–2008) 4–3 3–2 1–1
Bae Nam-Ju 2 (1988, 1990) 1–3 0–2 1–1
Baek Se-Hyun 1 (1965) 0–1 0–1 0–0
Baek Seung-Bok 2 (2001–2002) 0–4 0–3 0–1

Question: How many players in total went 0-1 for the South Korean Davis Cup team?